11918962276 has 135 divisors (see below), whose sum is σ = 25333531629. Its totient is φ = 4904969472.

The previous prime is 11918962261. The next prime is 11918962283. The reversal of 11918962276 is 67226981911.

The square root of 11918962276 is 109174.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 10880576100 + 1038386176 = 104310^2 + 32224^2 .

It is a super-2 number, since 2×11918962276² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

Its product of digits (653184) is a multiple of the sum of its prime factors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 627313795 + ... + 627313813.

Almost surely, 2^11918962276 is an apocalyptic number.

11918962276 is the 109174-th square number.

It is an amenable number.

11918962276 is an abundant number, since it is smaller than the sum of its proper divisors (13414569353).

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

11918962276 is an equidigital number, since it uses as much as digits as its factorization.

11918962276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 51 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The spelling of 11918962276 in words is "eleven billion, nine hundred eighteen million, nine hundred sixty-two thousand, two hundred seventy-six".