11532243555 has 24 divisors (see below), whose sum is σ = 22844825952. Its totient is φ = 5271882624.

The previous prime is 11532243533. The next prime is 11532243557. The reversal of 11532243555 is 55534223511.

11532243555 is a `hidden beast` number, since 1 + 153 + 22 + 435 + 55 = 666.

It is not a de Polignac number, because 11532243555 - 2⁵ = 11532243523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11532243557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18304834 + ... + 18305463.

It is an arithmetic number, because the mean of its divisors is an integer number (951867748).

Almost surely, 2^11532243555 is an apocalyptic number.

11532243555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11532243555 is a deficient number, since it is larger than the sum of its proper divisors (11312582397).

11532243555 is a wasteful number, since it uses less digits than its factorization.

11532243555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36610315 (or 36610312 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 11532243555 in words is "eleven billion, five hundred thirty-two million, two hundred forty-three thousand, five hundred fifty-five".