11912877184256 has 36 divisors (see below), whose sum is σ = 24024366336852. Its totient is φ = 5895031996416.

The previous prime is 11912877184237. The next prime is 11912877184261. The reversal of 11912877184256 is 65248177821911.

It can be written as a sum of positive squares in 2 ways, for example, as 4640060646400 + 7272816537856 = 2154080^2 + 2696816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239844635 + ... + 239894298.

It is an arithmetic number, because the mean of its divisors is an integer number (667343509357).

Almost surely, 2^{11912877184256} is an apocalyptic number.

11912877184256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11912877184256 is an abundant number, since it is smaller than the sum of its proper divisors (12111489152596).

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

11912877184256 is an frugal number, since it uses more digits than its factorization.

11912877184256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479739046 (or 479739032 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 62.

The spelling of 11912877184256 in words is "eleven trillion, nine hundred twelve billion, eight hundred seventy-seven million, one hundred eighty-four thousand, two hundred fifty-six".