11655075256 has 24 divisors (see below), whose sum is σ = 24020534160. Its totient is φ = 5297761040.

The previous prime is 11655075253. The next prime is 11655075277. The reversal of 11655075256 is 65257055611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655075251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6019216 + ... + 6021151.

It is an arithmetic number, because the mean of its divisors is an integer number (1000855590).

Almost surely, 2^11655075256 is an apocalyptic number.

It is an amenable number.

11655075256 is an abundant number, since it is smaller than the sum of its proper divisors (12365458904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11655075256 is a wasteful number, since it uses less digits than its factorization.

11655075256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040395 (or 12040380 counting only the distinct ones).

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 11655075256 in words is "eleven billion, six hundred fifty-five million, seventy-five thousand, two hundred fifty-six".