113817386550 has 48 divisors (see below), whose sum is σ = 322590995712. Its totient is φ = 26015402400.

The previous prime is 113817386549. The next prime is 113817386597. The reversal of 113817386550 is 55683718311.

It is a self number, because there is not a number n which added to its sum of digits gives 113817386550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54197706 + ... + 54199805.

It is an arithmetic number, because the mean of its divisors is an integer number (6720645744).

Almost surely, 2^113817386550 is an apocalyptic number.

113817386550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113817386550 is an abundant number, since it is smaller than the sum of its proper divisors (208773609162).

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

113817386550 is a wasteful number, since it uses less digits than its factorization.

113817386550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108397533 (or 108397528 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 113817386550 in words is "one hundred thirteen billion, eight hundred seventeen million, three hundred eighty-six thousand, five hundred fifty".