11632646912 has 72 divisors (see below), whose sum is σ = 23712076080. Its totient is φ = 5693542400.

The previous prime is 11632646843. The next prime is 11632646951. The reversal of 11632646912 is 21964623611.

It is a self number, because there is not a number n which added to its sum of digits gives 11632646912.

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, 8940662 + ... + 8941962.

It is an arithmetic number, because the mean of its divisors is an integer number (329334390).

Almost surely, 2^11632646912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11632646912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11856038040).

11632646912 is an abundant number, since it is smaller than the sum of its proper divisors (12079429168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11632646912 is an equidigital number, since it uses as much as digits as its factorization.

11632646912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2015 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The spelling of 11632646912 in words is "eleven billion, six hundred thirty-two million, six hundred forty-six thousand, nine hundred twelve".