11591596032 has 192 divisors, whose sum is σ = 32479574400. Its totient is φ = 3671162880.

The previous prime is 11591596021. The next prime is 11591596039. The reversal of 11591596032 is 23069519511.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11591596039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11937307 + ... + 11938277.

It is an arithmetic number, because the mean of its divisors is an integer number (169164450).

Almost surely, 2^11591596032 is an apocalyptic number.

11591596032 is a gapful number since it is divisible by the number (12) 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 11591596032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16239787200).

11591596032 is an abundant number, since it is smaller than the sum of its proper divisors (20887978368).

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

11591596032 is an equidigital number, since it uses as much as digits as its factorization.

11591596032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 42.

The spelling of 11591596032 in words is "eleven billion, five hundred ninety-one million, five hundred ninety-six thousand, thirty-two".