13081411876 has 81 divisors (see below), whose sum is σ = 25573498419. Its totient is φ = 5852288832.

The previous prime is 13081411873. The next prime is 13081411909. The reversal of 13081411876 is 67811418031.

The square root of 13081411876 is 114374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 339517476 + 12741894400 = 18426^2 + 112880^2 .

It is a super-2 number, since 2×13081411876² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13081411873) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 157607331 + ... + 157607413.

Almost surely, 2^13081411876 is an apocalyptic number.

13081411876 is the 114374-th square number.

It is an amenable number.

13081411876 is a deficient number, since it is larger than the sum of its proper divisors (12492086543).

13081411876 is an equidigital number, since it uses as much as digits as its factorization.

13081411876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 13081411876 in words is "thirteen billion, eighty-one million, four hundred eleven thousand, eight hundred seventy-six".