108855536438 has 16 divisors (see below), whose sum is σ = 181488134736. Its totient is φ = 48546207840.

The previous prime is 108855536431. The next prime is 108855536473. The reversal of 108855536438 is 834635558801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108855536431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46677881 + ... + 46680212.

It is an arithmetic number, because the mean of its divisors is an integer number (11343008421).

Almost surely, 2^108855536438 is an apocalyptic number.

108855536438 is a deficient number, since it is larger than the sum of its proper divisors (72632598298).

108855536438 is a wasteful number, since it uses less digits than its factorization.

108855536438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93358159.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 108855536438 in words is "one hundred eight billion, eight hundred fifty-five million, five hundred thirty-six thousand, four hundred thirty-eight".