11656059960 has 64 divisors (see below), whose sum is σ = 36808617600. Its totient is φ = 2944688256.

The previous prime is 11656059917. The next prime is 11656059973. The reversal of 11656059960 is 6995065611.

It is a super-2 number, since 2×11656059960² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553874 + ... + 2558433.

It is an arithmetic number, because the mean of its divisors is an integer number (575134650).

Almost surely, 2^11656059960 is an apocalyptic number.

11656059960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11656059960 is an abundant number, since it is smaller than the sum of its proper divisors (25152557640).

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

11656059960 is a wasteful number, since it uses less digits than its factorization.

11656059960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112340 (or 5112336 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 48.

The spelling of 11656059960 in words is "eleven billion, six hundred fifty-six million, fifty-nine thousand, nine hundred sixty".