11639562892 has 24 divisors (see below), whose sum is σ = 20454588000. Its totient is φ = 5795422080.

The previous prime is 11639562863. The next prime is 11639562899. The reversal of 11639562892 is 29826593611.

It is not an unprimeable number, because it can be changed into a prime (11639562899) 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, 3087993 + ... + 3091759.

It is an arithmetic number, because the mean of its divisors is an integer number (852274500).

Almost surely, 2^11639562892 is an apocalyptic number.

It is an amenable number.

11639562892 is a deficient number, since it is larger than the sum of its proper divisors (8815025108).

11639562892 is a wasteful number, since it uses less digits than its factorization.

11639562892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801 (or 6799 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The spelling of 11639562892 in words is "eleven billion, six hundred thirty-nine million, five hundred sixty-two thousand, eight hundred ninety-two".