10115051257 has 2 divisors, whose sum is σ = 10115051258. Its totient is φ = 10115051256.

The previous prime is 10115051213. The next prime is 10115051291. The reversal of 10115051257 is 75215051101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8556065001 + 1558986256 = 92499^2 + 39484^2 .

It is a cyclic number.

It is not a de Polignac number, because 10115051257 - 2⁷ = 10115051129 is a prime.

It is a super-4 number, since 4×10115051257⁴ (a number of 41 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (10115051057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057525628 + 5057525629.

It is an arithmetic number, because the mean of its divisors is an integer number (5057525629).

Almost surely, 2^10115051257 is an apocalyptic number.

It is an amenable number.

10115051257 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115051257 is an equidigital number, since it uses as much as digits as its factorization.

10115051257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1750, while the sum is 28.

The spelling of 10115051257 in words is "ten billion, one hundred fifteen million, fifty-one thousand, two hundred fifty-seven".