125869862755 has 32 divisors (see below), whose sum is σ = 192310473600. Its totient is φ = 76924173312.

The previous prime is 125869862749. The next prime is 125869862777. The reversal of 125869862755 is 557268968521.

It is not a de Polignac number, because 125869862755 - 2¹¹ = 125869860707 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4756410 + ... + 4782799.

It is an arithmetic number, because the mean of its divisors is an integer number (6009702300).

Almost surely, 2^125869862755 is an apocalyptic number.

125869862755 is a deficient number, since it is larger than the sum of its proper divisors (66440610845).

125869862755 is a wasteful number, since it uses less digits than its factorization.

125869862755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539263.

The product of its digits is 72576000, while the sum is 64.

The spelling of 125869862755 in words is "one hundred twenty-five billion, eight hundred sixty-nine million, eight hundred sixty-two thousand, seven hundred fifty-five".