125001263875 has 16 divisors (see below), whose sum is σ = 157382140032. Its totient is φ = 99116035200.

The previous prime is 125001263843. The next prime is 125001263911. The reversal of 125001263875 is 578362100521.

It is not a de Polignac number, because 125001263875 - 2⁵ = 125001263843 is a prime.

It is a Duffinian 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, 4410699 + ... + 4438948.

It is an arithmetic number, because the mean of its divisors is an integer number (9836383752).

Almost surely, 2^125001263875 is an apocalyptic number.

125001263875 is a deficient number, since it is larger than the sum of its proper divisors (32380876157).

125001263875 is an equidigital number, since it uses as much as digits as its factorization.

125001263875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8849775 (or 8849765 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 125001263875 in words is "one hundred twenty-five billion, one million, two hundred sixty-three thousand, eight hundred seventy-five".