11646505032 has 64 divisors (see below), whose sum is σ = 30880344960. Its totient is φ = 3652492800.

The previous prime is 11646505001. The next prime is 11646505043. The reversal of 11646505032 is 23050564611.

It is a junction number, because it is equal to n+sod(n) for n = 11646504984 and 11646505002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139269 + ... + 206612.

It is an arithmetic number, because the mean of its divisors is an integer number (482505390).

Almost surely, 2^11646505032 is an apocalyptic number.

11646505032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11646505032 is an abundant number, since it is smaller than the sum of its proper divisors (19233839928).

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

11646505032 is a wasteful number, since it uses less digits than its factorization.

11646505032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345974 (or 345970 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 11646505032 in words is "eleven billion, six hundred forty-six million, five hundred five thousand, thirty-two".