11712724956 has 48 divisors (see below), whose sum is σ = 30458158080. Its totient is φ = 3892434480.

The previous prime is 11712724937. The next prime is 11712725033. The reversal of 11712724956 is 65942721711.

It is a super-3 number, since 3×11712724956³ (a number of 31 digits) contains 333 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, 128076 + ... + 199571.

It is an arithmetic number, because the mean of its divisors is an integer number (634544960).

Almost surely, 2^11712724956 is an apocalyptic number.

It is an amenable number.

11712724956 is an abundant number, since it is smaller than the sum of its proper divisors (18745433124).

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

11712724956 is a wasteful number, since it uses less digits than its factorization.

11712724956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327991 (or 327983 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The spelling of 11712724956 in words is "eleven billion, seven hundred twelve million, seven hundred twenty-four thousand, nine hundred fifty-six".