63131774575125 has 32 divisors (see below), whose sum is σ = 105051788899200. Its totient is φ = 33670114387200.

The previous prime is 63131774575081. The next prime is 63131774575183. The reversal of 63131774575125 is 52157547713136.

It is not a de Polignac number, because 63131774575125 - 2²⁴ = 63131757797909 is a prime.

It is a super-2 number, since 2×63131774575125² (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 31 ways as a sum of consecutive naturals, for example, 135686134 + ... + 136150616.

It is an arithmetic number, because the mean of its divisors is an integer number (3282868403100).

Almost surely, 2^{63131774575125} is an apocalyptic number.

It is an amenable number.

63131774575125 is a deficient number, since it is larger than the sum of its proper divisors (41920014324075).

63131774575125 is a wasteful number, since it uses less digits than its factorization.

63131774575125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826950 (or 826940 counting only the distinct ones).

The product of its digits is 18522000, while the sum is 57.

The spelling of 63131774575125 in words is "sixty-three trillion, one hundred thirty-one billion, seven hundred seventy-four million, five hundred seventy-five thousand, one hundred twenty-five".