11131643662 has 16 divisors (see below), whose sum is σ = 17090156160. Its totient is φ = 5434991352.

The previous prime is 11131643659. The next prime is 11131643717. The reversal of 11131643662 is 26634613111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374313 + ... + 402955.

It is an arithmetic number, because the mean of its divisors is an integer number (1068134760).

Almost surely, 2^11131643662 is an apocalyptic number.

11131643662 is a deficient number, since it is larger than the sum of its proper divisors (5958512498).

11131643662 is a wasteful number, since it uses less digits than its factorization.

11131643662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33207.

The product of its digits is 15552, while the sum is 34.

The spelling of 11131643662 in words is "eleven billion, one hundred thirty-one million, six hundred forty-three thousand, six hundred sixty-two".