11257097799 has 4 divisors (see below), whose sum is σ = 15009463736. Its totient is φ = 7504731864.

The previous prime is 11257097777. The next prime is 11257097821. The reversal of 11257097799 is 99779075211.

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 (11257097777) and next prime (11257097821).

It is not a de Polignac number, because 11257097799 - 2⁵ = 11257097767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257097729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876182964 + ... + 1876182969.

It is an arithmetic number, because the mean of its divisors is an integer number (3752365934).

Almost surely, 2^11257097799 is an apocalyptic number.

11257097799 is a deficient number, since it is larger than the sum of its proper divisors (3752365937).

11257097799 is an equidigital number, since it uses as much as digits as its factorization.

11257097799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752365936.

The product of its (nonzero) digits is 2500470, while the sum is 57.

The spelling of 11257097799 in words is "eleven billion, two hundred fifty-seven million, ninety-seven thousand, seven hundred ninety-nine".