108293431518 has 64 divisors (see below), whose sum is σ = 265886737920. Its totient is φ = 32497255296.

The previous prime is 108293431489. The next prime is 108293431523. The reversal of 108293431518 is 815134392801.

108293431518 is a `hidden beast` number, since 1 + 0 + 8 + 2 + 93 + 43 + 1 + 518 = 666.

It is a super-3 number, since 3×108293431518³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2543380 + ... + 2585607.

It is an arithmetic number, because the mean of its divisors is an integer number (4154480280).

Almost surely, 2^108293431518 is an apocalyptic number.

108293431518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

108293431518 is an abundant number, since it is smaller than the sum of its proper divisors (157593306402).

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

108293431518 is a wasteful number, since it uses less digits than its factorization.

108293431518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129038 (or 5129032 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 108293431518 in words is "one hundred eight billion, two hundred ninety-three million, four hundred thirty-one thousand, five hundred eighteen".