61120516111664 has 20 divisors (see below), whose sum is σ = 118431050488656. Its totient is φ = 30557664372672.

The previous prime is 61120516111661. The next prime is 61120516111667. The reversal of 61120516111664 is 46611161502116.

It is an interprime number because it is at equal distance from previous prime (61120516111661) and next prime (61120516111667).

It is not an unprimeable number, because it can be changed into a prime (61120516111661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161910779 + ... + 162287834.

Almost surely, 2^{61120516111664} is an apocalyptic number.

It is an amenable number.

61120516111664 is a deficient number, since it is larger than the sum of its proper divisors (57310534376992).

61120516111664 is a wasteful number, since it uses less digits than its factorization.

61120516111664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324210404 (or 324210398 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 61120516111664 in words is "sixty-one trillion, one hundred twenty billion, five hundred sixteen million, one hundred eleven thousand, six hundred sixty-four".