125935580765 has 16 divisors (see below), whose sum is σ = 155505115440. Its totient is φ = 97837309440.

The previous prime is 125935580717. The next prime is 125935580783. The reversal of 125935580765 is 567085539521.

It can be written as a sum of positive squares in 8 ways, for example, as 657101956 + 125278478809 = 25634^2 + 353947^2 .

It is not a de Polignac number, because 125935580765 - 2¹⁶ = 125935515229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125935580765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556910 + ... + 749679.

It is an arithmetic number, because the mean of its divisors is an integer number (9719069715).

Almost surely, 2^125935580765 is an apocalyptic number.

It is an amenable number.

125935580765 is a deficient number, since it is larger than the sum of its proper divisors (29569534675).

125935580765 is a wasteful number, since it uses less digits than its factorization.

125935580765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307152.

The product of its (nonzero) digits is 11340000, while the sum is 56.

The spelling of 125935580765 in words is "one hundred twenty-five billion, nine hundred thirty-five million, five hundred eighty thousand, seven hundred sixty-five".