11202511057 has 4 divisors (see below), whose sum is σ = 11475743076. Its totient is φ = 10929279040.

The previous prime is 11202511039. The next prime is 11202511069. The reversal of 11202511057 is 75011520211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 591656976 + 10610854081 = 24324^2 + 103009^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202511057 - 2⁷ = 11202510929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202511157) 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, 136615948 + ... + 136616029.

It is an arithmetic number, because the mean of its divisors is an integer number (2868935769).

Almost surely, 2^11202511057 is an apocalyptic number.

It is an amenable number.

11202511057 is a deficient number, since it is larger than the sum of its proper divisors (273232019).

11202511057 is an equidigital number, since it uses as much as digits as its factorization.

11202511057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273232018.

The product of its (nonzero) digits is 700, while the sum is 25.

The spelling of 11202511057 in words is "eleven billion, two hundred two million, five hundred eleven thousand, fifty-seven".