11257510051 has 4 divisors (see below), whose sum is σ = 11850010600. Its totient is φ = 10665009504.

The previous prime is 11257510039. The next prime is 11257510063. The reversal of 11257510051 is 15001575211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11257510039) and next prime (11257510063).

It is a cyclic number.

It is not a de Polignac number, because 11257510051 - 2²⁵ = 11223955619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11257510001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296250246 + ... + 296250283.

It is an arithmetic number, because the mean of its divisors is an integer number (2962502650).

Almost surely, 2^11257510051 is an apocalyptic number.

11257510051 is a deficient number, since it is larger than the sum of its proper divisors (592500549).

11257510051 is an equidigital number, since it uses as much as digits as its factorization.

11257510051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592500548.

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

The spelling of 11257510051 in words is "eleven billion, two hundred fifty-seven million, five hundred ten thousand, fifty-one".