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11552185853 = 137112515911
BaseRepresentation
bin10101100001001000…
…00101110111111101
31002211002110211211022
422300210011313331
5142124324421403
65150151233525
7556162650065
oct126044056775
932732424738
1011552185853
1149989a923a
1222a49788a5
131121451a40
147b836c3a5
154792b4d38
hex2b0905dfd

11552185853 has 8 divisors (see below), whose sum is σ = 12616039296. Its totient is φ = 10513364400.

The previous prime is 11552185847. The next prime is 11552185861. The reversal of 11552185853 is 35858125511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11552185853 - 214 = 11552169469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552185823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257033 + ... + 6258878.

It is an arithmetic number, because the mean of its divisors is an integer number (1577004912).

Almost surely, 211552185853 is an apocalyptic number.

11552185853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11552185853 is a deficient number, since it is larger than the sum of its proper divisors (1063853443).

11552185853 is a wasteful number, since it uses less digits than its factorization.

11552185853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515995.

The product of its digits is 240000, while the sum is 44.

The spelling of 11552185853 in words is "eleven billion, five hundred fifty-two million, one hundred eighty-five thousand, eight hundred fifty-three".

Divisors: 1 13 71 923 12515911 162706843 888629681 11552185853