11531842631936 has 72 divisors (see below), whose sum is σ = 25486037631264. Its totient is φ = 5163511541760.

The previous prime is 11531842631887. The next prime is 11531842631963. The reversal of 11531842631936 is 63913624813511.

It is a happy number.

It is a super-2 number, since 2×11531842631936² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30371885 + ... + 30749228.

Almost surely, 2^{11531842631936} is an apocalyptic number.

11531842631936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11531842631936 is an abundant number, since it is smaller than the sum of its proper divisors (13954194999328).

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

11531842631936 is an equidigital number, since it uses as much as digits as its factorization.

11531842631936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61121207 (or 61121193 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 11531842631936 in words is "eleven trillion, five hundred thirty-one billion, eight hundred forty-two million, six hundred thirty-one thousand, nine hundred thirty-six".