11186697213 has 24 divisors (see below), whose sum is σ = 16762200000. Its totient is φ = 7455496608.

The previous prime is 11186697161. The next prime is 11186697229. The reversal of 11186697213 is 31279668111.

It is not a de Polignac number, because 11186697213 - 2⁶ = 11186697149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11186697113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210153 + ... + 1219361.

It is an arithmetic number, because the mean of its divisors is an integer number (698425000).

Almost surely, 2^11186697213 is an apocalyptic number.

It is an amenable number.

11186697213 is a deficient number, since it is larger than the sum of its proper divisors (5575502787).

11186697213 is an frugal number, since it uses more digits than its factorization.

11186697213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223 (or 14211 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The spelling of 11186697213 in words is "eleven billion, one hundred eighty-six million, six hundred ninety-seven thousand, two hundred thirteen".