64131757120 has 56 divisors (see below), whose sum is σ = 152806627584. Its totient is φ = 25637101056.

The previous prime is 64131757091. The next prime is 64131757139. The reversal of 64131757120 is 2175713146.

64131757120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64131757120² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64131757120.

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, 473329 + ... + 593551.

Almost surely, 2^64131757120 is an apocalyptic number.

It is an amenable number.

64131757120 is an abundant number, since it is smaller than the sum of its proper divisors (88674870464).

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

64131757120 is a wasteful number, since it uses less digits than its factorization.

64131757120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121907 (or 121897 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 64131757120 in words is "sixty-four billion, one hundred thirty-one million, seven hundred fifty-seven thousand, one hundred twenty".