61328342487120 has 40 divisors (see below), whose sum is σ = 190117861710816. Its totient is φ = 16354224663168.

The previous prime is 61328342487067. The next prime is 61328342487163. The reversal of 61328342487120 is 2178424382316.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×61328342487120² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127767379942 + ... + 127767380421.

Almost surely, 2^{61328342487120} is an apocalyptic number.

61328342487120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61328342487120 is an abundant number, since it is smaller than the sum of its proper divisors (128789519223696).

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

61328342487120 is a wasteful number, since it uses less digits than its factorization.

61328342487120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255534760379 (or 255534760373 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 61328342487120 in words is "sixty-one trillion, three hundred twenty-eight billion, three hundred forty-two million, four hundred eighty-seven thousand, one hundred twenty".