1257575138875 has 32 divisors (see below), whose sum is σ = 1712330762688. Its totient is φ = 914493600000.

The previous prime is 1257575138843. The next prime is 1257575138887. The reversal of 1257575138875 is 5788315757521.

It is not a de Polignac number, because 1257575138875 - 2⁵ = 1257575138843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12905335 + ... + 13002415.

It is an arithmetic number, because the mean of its divisors is an integer number (53510336334).

Almost surely, 2^{1257575138875} is an apocalyptic number.

1257575138875 is a deficient number, since it is larger than the sum of its proper divisors (454755623813).

1257575138875 is an equidigital number, since it uses as much as digits as its factorization.

1257575138875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106528 (or 106518 counting only the distinct ones).

The product of its digits is 82320000, while the sum is 64.

The spelling of 1257575138875 in words is "one trillion, two hundred fifty-seven billion, five hundred seventy-five million, one hundred thirty-eight thousand, eight hundred seventy-five".