12611117376660 has 96 divisors (see below), whose sum is σ = 39562345694592. Its totient is φ = 2974612446720.

The previous prime is 12611117376601. The next prime is 12611117376709. The reversal of 12611117376660 is 6667371111621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258188467 + ... + 258237306.

It is an arithmetic number, because the mean of its divisors is an integer number (412107767652).

Almost surely, 2^{12611117376660} is an apocalyptic number.

12611117376660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12611117376660 is an abundant number, since it is smaller than the sum of its proper divisors (26951228317932).

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

12611117376660 is a wasteful number, since it uses less digits than its factorization.

12611117376660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516425833 (or 516425831 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 12611117376660 in words is "twelve trillion, six hundred eleven billion, one hundred seventeen million, three hundred seventy-six thousand, six hundred sixty".