481108815915 has 64 divisors (see below), whose sum is σ = 988606273536. Its totient is φ = 194190492672.

The previous prime is 481108815893. The next prime is 481108815919. The reversal of 481108815915 is 519518801184.

It is not a de Polignac number, because 481108815915 - 2²² = 481104621611 is a prime.

It is a super-2 number, since 2×481108815915² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481108815919) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7630794 + ... + 7693583.

It is an arithmetic number, because the mean of its divisors is an integer number (15446973024).

Almost surely, 2^481108815915 is an apocalyptic number.

481108815915 is an abundant number, since it is smaller than the sum of its proper divisors (507497457621).

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

481108815915 is a wasteful number, since it uses less digits than its factorization.

481108815915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324428.

The product of its (nonzero) digits is 460800, while the sum is 51.

The spelling of 481108815915 in words is "four hundred eighty-one billion, one hundred eight million, eight hundred fifteen thousand, nine hundred fifteen".