15481132855580 has 24 divisors (see below), whose sum is σ = 37154718853728. Its totient is φ = 5307816979008.

The previous prime is 15481132855579. The next prime is 15481132855621. The reversal of 15481132855580 is 8555823118451.

15481132855580 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-3 number, since 3×15481132855580³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55289760059 + ... + 55289760338.

It is an arithmetic number, because the mean of its divisors is an integer number (1548113285572).

Almost surely, 2^{15481132855580} is an apocalyptic number.

15481132855580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15481132855580 is an abundant number, since it is smaller than the sum of its proper divisors (21673585998148).

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

15481132855580 is a wasteful number, since it uses less digits than its factorization.

15481132855580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110579520413 (or 110579520411 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 56.

The spelling of 15481132855580 in words is "fifteen trillion, four hundred eighty-one billion, one hundred thirty-two million, eight hundred fifty-five thousand, five hundred eighty".