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13135522553131 = 1117643115394747
BaseRepresentation
bin1011111100100101101000…
…1001111101110100101011
31201111202002011002112121011
42333021122021331310223
53210203022233200011
643534213055124351
72524003331321626
oct277113211756453
951452064075534
1013135522553131
114204820047820
121581903b136b7
1374389ca3c164
14335a96b38dbd
1517ba42272621
hexbf25a27dd2b

13135522553131 has 32 divisors (see below), whose sum is σ = 15209518963968. Its totient is φ = 11211620106240.

The previous prime is 13135522553093. The next prime is 13135522553141.

13135522553131 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13135522553131 - 27 = 13135522553003 is a prime.

It is a super-2 number, since 2×131355225531312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13135522553141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138590500 + ... + 138685246.

It is an arithmetic number, because the mean of its divisors is an integer number (475297467624).

Almost surely, 213135522553131 is an apocalyptic number.

13135522553131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13135522553131 is a deficient number, since it is larger than the sum of its proper divisors (2073996410837).

13135522553131 is a wasteful number, since it uses less digits than its factorization.

13135522553131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96571.

The product of its digits is 202500, while the sum is 40.

It can be divided in two parts, 1313552 and 2553131, that added together give a palindrome (3866683).

The spelling of 13135522553131 in words is "thirteen trillion, one hundred thirty-five billion, five hundred twenty-two million, five hundred fifty-three thousand, one hundred thirty-one".

Divisors: 1 11 17 187 643 1153 7073 10931 12683 19601 94747 120241 215611 741379 1042217 1610699 8155169 12603443 17717689 60922321 109243291 138637873 670145531 1035679457 1201676201 1857135947 11392474027 20428495417 70243436113 772677797243 1194138413921 13135522553131