64125701178 has 64 divisors (see below), whose sum is σ = 160019877888. Its totient is φ = 16643315520.

The previous prime is 64125701083. The next prime is 64125701201. The reversal of 64125701178 is 87110752146.

64125701178 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 2×64125701178² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 560776 + ... + 665372.

It is an arithmetic number, because the mean of its divisors is an integer number (2500310592).

Almost surely, 2^64125701178 is an apocalyptic number.

64125701178 is an abundant number, since it is smaller than the sum of its proper divisors (95894176710).

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

64125701178 is a wasteful number, since it uses less digits than its factorization.

64125701178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105947.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 64125701178 in words is "sixty-four billion, one hundred twenty-five million, seven hundred one thousand, one hundred seventy-eight".