11797631944 has 32 divisors (see below), whose sum is σ = 25299964800. Its totient is φ = 5052263040.

The previous prime is 11797631921. The next prime is 11797631957. The reversal of 11797631944 is 44913679711.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11797631891 and 11797631900.

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, 5997 + ... + 153724.

It is an arithmetic number, because the mean of its divisors is an integer number (790623900).

Almost surely, 2^11797631944 is an apocalyptic number.

11797631944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11797631944 is an abundant number, since it is smaller than the sum of its proper divisors (13502332856).

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

11797631944 is a wasteful number, since it uses less digits than its factorization.

11797631944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161053 (or 161049 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The spelling of 11797631944 in words is "eleven billion, seven hundred ninety-seven million, six hundred thirty-one thousand, nine hundred forty-four".