11881137871464 has 32 divisors (see below), whose sum is σ = 30146170722720. Its totient is φ = 3901269151296.

The previous prime is 11881137871417. The next prime is 11881137871481. The reversal of 11881137871464 is 46417873118811.

It is a super-2 number, since 2×11881137871464² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11881137871398 and 11881137871407.

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, 3694382059 + ... + 3694385274.

It is an arithmetic number, because the mean of its divisors is an integer number (942067835085).

Almost surely, 2^{11881137871464} is an apocalyptic number.

It is an amenable number.

11881137871464 is an abundant number, since it is smaller than the sum of its proper divisors (18265032851256).

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

11881137871464 is a wasteful number, since it uses less digits than its factorization.

11881137871464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388767409 (or 7388767405 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 60.

The spelling of 11881137871464 in words is "eleven trillion, eight hundred eighty-one billion, one hundred thirty-seven million, eight hundred seventy-one thousand, four hundred sixty-four".