11111522313 has 8 divisors (see below), whose sum is σ = 14816182176. Its totient is φ = 7407272000.

The previous prime is 11111522287. The next prime is 11111522327. The reversal of 11111522313 is 31322511111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111522313 - 2⁹ = 11111521801 is a prime.

It is a super-2 number, since 2×11111522313² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11111522313.

It is not an unprimeable number, because it can be changed into a prime (11111522413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32208 + ... + 152513.

It is an arithmetic number, because the mean of its divisors is an integer number (1852022772).

Almost surely, 2^11111522313 is an apocalyptic number.

It is an amenable number.

11111522313 is a deficient number, since it is larger than the sum of its proper divisors (3704659863).

11111522313 is a wasteful number, since it uses less digits than its factorization.

11111522313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204775.

The product of its digits is 180, while the sum is 21.

The spelling of 11111522313 in words is "eleven billion, one hundred eleven million, five hundred twenty-two thousand, three hundred thirteen".