11056252231 has 4 divisors (see below), whose sum is σ = 11057791000. Its totient is φ = 11054713464.

The previous prime is 11056252213. The next prime is 11056252241. The reversal of 11056252231 is 13225265011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13225265011 = 7 ⋅1889323573.

It is a cyclic number.

It is not a de Polignac number, because 11056252231 - 2²⁵ = 11022697799 is a prime.

It is a super-2 number, since 2×11056252231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11056252231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056252241) 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, 758556 + ... + 772993.

It is an arithmetic number, because the mean of its divisors is an integer number (2764447750).

Almost surely, 2^11056252231 is an apocalyptic number.

11056252231 is a deficient number, since it is larger than the sum of its proper divisors (1538769).

11056252231 is an equidigital number, since it uses as much as digits as its factorization.

11056252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538768.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 11056252231 in words is "eleven billion, fifty-six million, two hundred fifty-two thousand, two hundred thirty-one".