125126388875 has 16 divisors (see below), whose sum is σ = 161195084544. Its totient is φ = 96872040000.

The previous prime is 125126388859. The next prime is 125126388883. The reversal of 125126388875 is 578883621521.

It is not a de Polignac number, because 125126388875 - 2⁴ = 125126388859 is a prime.

It is a super-2 number, since 2×125126388875² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125126388875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16141466 + ... + 16149215.

It is an arithmetic number, because the mean of its divisors is an integer number (10074692784).

Almost surely, 2^125126388875 is an apocalyptic number.

125126388875 is a deficient number, since it is larger than the sum of its proper divisors (36068695669).

125126388875 is an equidigital number, since it uses as much as digits as its factorization.

125126388875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32290727 (or 32290717 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 56.

The spelling of 125126388875 in words is "one hundred twenty-five billion, one hundred twenty-six million, three hundred eighty-eight thousand, eight hundred seventy-five".