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15550006010011 = 11173712311825699
BaseRepresentation
bin1110001001001000010010…
…0101011010000010011011
32001001120021122200121021221
43202102010211122002123
54014232403014310021
653023324003112511
73163310434142554
oct342220445320233
961046248617257
1015550006010011
114a557a2006480
1218b1841672737
1388a489432995
143ba8a515132b
151be758428241
hexe248495a09b

15550006010011 has 32 divisors (see below), whose sum is σ = 18461945779200. Its totient is φ = 12934705190400.

The previous prime is 15550006010009. The next prime is 15550006010053. The reversal of 15550006010011 is 11001060005551.

It is not a de Polignac number, because 15550006010011 - 21 = 15550006010009 is a prime.

It is a super-2 number, since 2×155500060100112 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15550006017011) 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, 7604440 + ... + 9430138.

It is an arithmetic number, because the mean of its divisors is an integer number (576935805600).

Almost surely, 215550006010011 is an apocalyptic number.

15550006010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15550006010011 is a deficient number, since it is larger than the sum of its proper divisors (2911939769189).

15550006010011 is a wasteful number, since it uses less digits than its factorization.

15550006010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826995.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 15550006010011 its reverse (11001060005551), we get a palindrome (26551066015562).

The spelling of 15550006010011 in words is "fifteen trillion, five hundred fifty billion, six million, ten thousand, eleven".

Divisors: 1 11 17 37 187 407 629 1231 6919 13541 20927 45547 230197 501017 774299 1825699 8517289 20082689 31036883 67550863 341405713 743059493 1148364671 2247435469 12632011381 24721790159 38206402973 83155112353 420270432703 914706235883 1413636910001 15550006010011