125687527775 has 12 divisors (see below), whose sum is σ = 158407495944. Its totient is φ = 98901660000.

The previous prime is 125687527769. The next prime is 125687527781. The reversal of 125687527775 is 577725786521.

It is an interprime number because it is at equal distance from previous prime (125687527769) and next prime (125687527781).

It is not a de Polignac number, because 125687527775 - 2⁴ = 125687527759 is a prime.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 41207501 + ... + 41210550.

It is an arithmetic number, because the mean of its divisors is an integer number (13200624662).

Almost surely, 2^125687527775 is an apocalyptic number.

125687527775 is a deficient number, since it is larger than the sum of its proper divisors (32719968169).

125687527775 is an equidigital number, since it uses as much as digits as its factorization.

125687527775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82418122 (or 82418117 counting only the distinct ones).

The product of its digits is 57624000, while the sum is 62.

The spelling of 125687527775 in words is "one hundred twenty-five billion, six hundred eighty-seven million, five hundred twenty-seven thousand, seven hundred seventy-five".