15532020112000 has 128 divisors (see below), whose sum is σ = 44133126036480. Its totient is φ = 5325264000000.

The previous prime is 15532020111997. The next prime is 15532020112019. The reversal of 15532020112000 is 21102023551.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69227376 + ... + 69451375.

It is an arithmetic number, because the mean of its divisors is an integer number (344790047160).

Almost surely, 2^{15532020112000} is an apocalyptic number.

15532020112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15532020112000 is an abundant number, since it is smaller than the sum of its proper divisors (28601105924480).

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

15532020112000 is an equidigital number, since it uses as much as digits as its factorization.

15532020112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138678787 (or 138678765 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 15532020112000 its reverse (21102023551), we get a palindrome (15553122135551).

The spelling of 15532020112000 in words is "fifteen trillion, five hundred thirty-two billion, twenty million, one hundred twelve thousand".