11755651656 has 64 divisors (see below), whose sum is σ = 34302228480. Its totient is φ = 3287292480.

The previous prime is 11755651637. The next prime is 11755651673. The reversal of 11755651656 is 65615655711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736510 + ... + 752301.

It is an arithmetic number, because the mean of its divisors is an integer number (535972320).

Almost surely, 2^11755651656 is an apocalyptic number.

It is an amenable number.

11755651656 is an abundant number, since it is smaller than the sum of its proper divisors (22546576824).

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

11755651656 is a wasteful number, since it uses less digits than its factorization.

11755651656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488874 (or 1488870 counting only the distinct ones).

The product of its digits is 945000, while the sum is 48.

The spelling of 11755651656 in words is "eleven billion, seven hundred fifty-five million, six hundred fifty-one thousand, six hundred fifty-six".