130881694687056 has 120 divisors (see below), whose sum is σ = 366626539102824. Its totient is φ = 43586796625920.

The previous prime is 130881694687049. The next prime is 130881694687193. The reversal of 130881694687056 is 650786496188031.

130881694687056 is a `hidden beast` number, since 1 + 3 + 0 + 88 + 16 + 9 + 468 + 70 + 5 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 114135462896400 + 16746231790656 = 10683420^2 + 4092216^2 .

It is a super-3 number, since 3×130881694687056³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1277628670 + ... + 1277731106.

Almost surely, 2^{130881694687056} is an apocalyptic number.

130881694687056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130881694687056 is an abundant number, since it is smaller than the sum of its proper divisors (235744844415768).

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

130881694687056 is a wasteful number, since it uses less digits than its factorization.

130881694687056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110589 (or 110580 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 130881694687056 in words is "one hundred thirty trillion, eight hundred eighty-one billion, six hundred ninety-four million, six hundred eighty-seven thousand, fifty-six".