125367222763521 has 64 divisors (see below), whose sum is σ = 192931413753600. Its totient is φ = 80389223152128.

The previous prime is 125367222763511. The next prime is 125367222763537.

125367222763521 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 67 + 2 + 227 + 6 + 352 + 1 = 666.

125367222763521 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-125367222763521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125367222763511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444680815 + ... + 444962651.

It is an arithmetic number, because the mean of its divisors is an integer number (3014553339900).

Almost surely, 2^{125367222763521} is an apocalyptic number.

It is an amenable number.

125367222763521 is a deficient number, since it is larger than the sum of its proper divisors (67564190990079).

125367222763521 is a wasteful number, since it uses less digits than its factorization.

125367222763521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286975 (or 286969 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 125367222763521 in words is "one hundred twenty-five trillion, three hundred sixty-seven billion, two hundred twenty-two million, seven hundred sixty-three thousand, five hundred twenty-one".