11977633160 has 16 divisors (see below), whose sum is σ = 26949674700. Its totient is φ = 4791053248.

The previous prime is 11977633159. The next prime is 11977633163. The reversal of 11977633160 is 6133677911.

It can be written as a sum of positive squares in 2 ways, for example, as 11977551364 + 81796 = 109442^2 + 286^2 .

It is a super-2 number, since 2×11977633160² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11977633163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149720375 + ... + 149720454.

Almost surely, 2^11977633160 is an apocalyptic number.

11977633160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11977633160 is an abundant number, since it is smaller than the sum of its proper divisors (14972041540).

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

11977633160 is a wasteful number, since it uses less digits than its factorization.

11977633160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299440840 (or 299440836 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 11977633160 in words is "eleven billion, nine hundred seventy-seven million, six hundred thirty-three thousand, one hundred sixty".