11550433512 has 32 divisors (see below), whose sum is σ = 29069892000. Its totient is φ = 3824303424.

The previous prime is 11550433483. The next prime is 11550433529. The reversal of 11550433512 is 21533405511.

It is a self number, because there is not a number n which added to its sum of digits gives 11550433512.

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, 1611418 + ... + 1618569.

It is an arithmetic number, because the mean of its divisors is an integer number (908434125).

Almost surely, 2^11550433512 is an apocalyptic number.

11550433512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11550433512 is an abundant number, since it is smaller than the sum of its proper divisors (17519458488).

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

11550433512 is a wasteful number, since it uses less digits than its factorization.

11550433512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230145 (or 3230141 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 11550433512 in words is "eleven billion, five hundred fifty million, four hundred thirty-three thousand, five hundred twelve".