13109886855 has 240 divisors, whose sum is σ = 28410354720. Its totient is φ = 5745033216.

The previous prime is 13109886799. The next prime is 13109886869. The reversal of 13109886855 is 55868890131.

It is not a de Polignac number, because 13109886855 - 2⁸ = 13109886599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 22107439 + ... + 22108031.

It is an arithmetic number, because the mean of its divisors is an integer number (118376478).

Almost surely, 2^13109886855 is an apocalyptic number.

13109886855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13109886855 is an abundant number, since it is smaller than the sum of its proper divisors (15300467865).

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

13109886855 is a wasteful number, since it uses less digits than its factorization.

13109886855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 13109886855 in words is "thirteen billion, one hundred nine million, eight hundred eighty-six thousand, eight hundred fifty-five".