11652994368 has 140 divisors (see below), whose sum is σ = 35734729140. Its totient is φ = 3750340608.

The previous prime is 11652994349. The next prime is 11652994427. The reversal of 11652994368 is 86349925611.

11652994368 is a `hidden beast` number, since 1 + 16 + 529 + 9 + 43 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9156193344 + 2496801024 = 95688^2 + 49968^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 111580 + ... + 189092.

Almost surely, 2^11652994368 is an apocalyptic number.

11652994368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11652994368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17867364570).

11652994368 is an abundant number, since it is smaller than the sum of its proper divisors (24081734772).

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

11652994368 is an equidigital number, since it uses as much as digits as its factorization.

11652994368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77566 (or 77547 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 11652994368 in words is "eleven billion, six hundred fifty-two million, nine hundred ninety-four thousand, three hundred sixty-eight".