18113080710550 has 48 divisors (see below), whose sum is σ = 38504577915360. Its totient is φ = 6209982408960.

The previous prime is 18113080710523. The next prime is 18113080710631. The reversal of 18113080710550 is 5501708031181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9306832 + ... + 11083468.

It is an arithmetic number, because the mean of its divisors is an integer number (802178706570).

Almost surely, 2^{18113080710550} is an apocalyptic number.

18113080710550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18113080710550 is an abundant number, since it is smaller than the sum of its proper divisors (20391497204810).

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

18113080710550 is a wasteful number, since it uses less digits than its factorization.

18113080710550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805785 (or 1805780 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 40.

The spelling of 18113080710550 in words is "eighteen trillion, one hundred thirteen billion, eighty million, seven hundred ten thousand, five hundred fifty".