18005457373353 has 24 divisors (see below), whose sum is σ = 26023185840288. Its totient is φ = 11996577150912.

The previous prime is 18005457373327. The next prime is 18005457373363. The reversal of 18005457373353 is 35337375450081.

18005457373353 is a `hidden beast` number, since 1 + 80 + 0 + 5 + 457 + 37 + 33 + 53 = 666.

It is not a de Polignac number, because 18005457373353 - 2⁸ = 18005457373097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18005457373353.

It is not an unprimeable number, because it can be changed into a prime (18005457373363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126108301 + ... + 126250997.

It is an arithmetic number, because the mean of its divisors is an integer number (1084299410012).

Almost surely, 2^{18005457373353} is an apocalyptic number.

It is an amenable number.

18005457373353 is a deficient number, since it is larger than the sum of its proper divisors (8017728466935).

18005457373353 is a wasteful number, since it uses less digits than its factorization.

18005457373353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150853 (or 150850 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 54.

The spelling of 18005457373353 in words is "eighteen trillion, five billion, four hundred fifty-seven million, three hundred seventy-three thousand, three hundred fifty-three".