36531232056 has 96 divisors (see below), whose sum is σ = 113613926400. Its totient is φ = 10487430720.

The previous prime is 36531232027. The next prime is 36531232057. The reversal of 36531232056 is 65023213563.

36531232056 is a `hidden beast` number, since 36 + 531 + 23 + 20 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 36531232056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36531232057) 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, 1198776 + ... + 1228871.

It is an arithmetic number, because the mean of its divisors is an integer number (1183478400).

Almost surely, 2^36531232056 is an apocalyptic number.

36531232056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36531232056 is an abundant number, since it is smaller than the sum of its proper divisors (77082694344).

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

36531232056 is a wasteful number, since it uses less digits than its factorization.

36531232056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427689 (or 2427682 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 36531232056 in words is "thirty-six billion, five hundred thirty-one million, two hundred thirty-two thousand, fifty-six".