1257563888875 has 16 divisors (see below), whose sum is σ = 1793645410752. Its totient is φ = 862329523200.

The previous prime is 1257563888869. The next prime is 1257563888897. The reversal of 1257563888875 is 5788883657521.

It is not a de Polignac number, because 1257563888875 - 2³⁵ = 1223204150507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1257563888798 and 1257563888807.

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, 718607062 + ... + 718608811.

It is an arithmetic number, because the mean of its divisors is an integer number (112102838172).

Almost surely, 2^{1257563888875} is an apocalyptic number.

1257563888875 is a deficient number, since it is larger than the sum of its proper divisors (536081521877).

1257563888875 is an equidigital number, since it uses as much as digits as its factorization.

1257563888875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437215895 (or 1437215885 counting only the distinct ones).

The product of its digits is 903168000, while the sum is 73.

The spelling of 1257563888875 in words is "one trillion, two hundred fifty-seven billion, five hundred sixty-three million, eight hundred eighty-eight thousand, eight hundred seventy-five".