61116565065516 has 36 divisors (see below), whose sum is σ = 160210913363592. Its totient is φ = 20372188354848.

The previous prime is 61116565065481. The next prime is 61116565065529. The reversal of 61116565065516 is 61556056561116.

61116565065516 is a `hidden beast` number, since 6 + 1 + 1 + 1 + 6 + 5 + 65 + 0 + 65 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31438561305 + ... + 31438563248.

Almost surely, 2^{61116565065516} is an apocalyptic number.

It is an amenable number.

61116565065516 is an abundant number, since it is smaller than the sum of its proper divisors (99094348298076).

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

61116565065516 is a wasteful number, since it uses less digits than its factorization.

61116565065516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62877124572 (or 62877124558 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 61116565065516 in words is "sixty-one trillion, one hundred sixteen billion, five hundred sixty-five million, sixty-five thousand, five hundred sixteen".