125951302791954 has 12 divisors (see below), whose sum is σ = 272894489382606. Its totient is φ = 41983767597312.

The previous prime is 125951302791913. The next prime is 125951302791971. The reversal of 125951302791954 is 459197203159521.

125951302791954 is a `hidden beast` number, since 1 + 2 + 5 + 9 + 513 + 0 + 27 + 9 + 1 + 95 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 108637157097225 + 17314145694729 = 10422915^2 + 4161027^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125951302791891 and 125951302791900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3498647299759 + ... + 3498647299794.

Almost surely, 2^{125951302791954} is an apocalyptic number.

125951302791954 is an abundant number, since it is smaller than the sum of its proper divisors (146943186590652).

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

125951302791954 is a wasteful number, since it uses less digits than its factorization.

125951302791954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997294599561 (or 6997294599558 counting only the distinct ones).

The product of its (nonzero) digits is 30618000, while the sum is 63.

The spelling of 125951302791954 in words is "one hundred twenty-five trillion, nine hundred fifty-one billion, three hundred two million, seven hundred ninety-one thousand, nine hundred fifty-four".