18813120256150 has 24 divisors (see below), whose sum is σ = 38173531284504. Its totient is φ = 6841134638400.

The previous prime is 18813120256111. The next prime is 18813120256169. The reversal of 18813120256150 is 5165202131881.

It is a super-2 number, since 2×18813120256150² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18813120256097 and 18813120256106.

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 11 ways as a sum of consecutive naturals, for example, 17102836047 + ... + 17102837146.

It is an arithmetic number, because the mean of its divisors is an integer number (1590563803521).

Almost surely, 2^{18813120256150} is an apocalyptic number.

18813120256150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18813120256150 is an abundant number, since it is smaller than the sum of its proper divisors (19360411028354).

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

18813120256150 is a wasteful number, since it uses less digits than its factorization.

18813120256150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34205673216 (or 34205673211 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 18813120256150 in words is "eighteen trillion, eight hundred thirteen billion, one hundred twenty million, two hundred fifty-six thousand, one hundred fifty".