15531080704 has 44 divisors (see below), whose sum is σ = 31573337400. Its totient is φ = 7633891328.

The previous prime is 15531080699. The next prime is 15531080783. The reversal of 15531080704 is 40708013551.

It is a happy number.

15531080704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15531080704² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15531080704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68119 + ... + 188950.

It is an arithmetic number, because the mean of its divisors is an integer number (717575850).

Almost surely, 2^15531080704 is an apocalyptic number.

It is an amenable number.

15531080704 is an abundant number, since it is smaller than the sum of its proper divisors (16042256696).

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

15531080704 is an equidigital number, since it uses as much as digits as its factorization.

15531080704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257148 (or 257130 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 15531080704 in words is "fifteen billion, five hundred thirty-one million, eighty thousand, seven hundred four".