11532323320 has 64 divisors (see below), whose sum is σ = 31398943680. Its totient is φ = 3721353216.

The previous prime is 11532323291. The next prime is 11532323321. The reversal of 11532323320 is 2332323511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532323321) 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, 1206619 + ... + 1216138.

It is an arithmetic number, because the mean of its divisors is an integer number (490608495).

Almost surely, 2^11532323320 is an apocalyptic number.

11532323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532323320 is an abundant number, since it is smaller than the sum of its proper divisors (19866620360).

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

11532323320 is a wasteful number, since it uses less digits than its factorization.

11532323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422792 (or 2422788 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 11532323320 its reverse (2332323511), we get a palindrome (13864646831).

The spelling of 11532323320 in words is "eleven billion, five hundred thirty-two million, three hundred twenty-three thousand, three hundred twenty".