18057500105 has 16 divisors (see below), whose sum is σ = 21897233280. Its totient is φ = 14294074368.

The previous prime is 18057500053. The next prime is 18057500119. The reversal of 18057500105 is 50100575081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18057500105 - 2¹⁴ = 18057483721 is a prime.

It is a super-2 number, since 2×18057500105² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 647081 + ... + 674409.

It is an arithmetic number, because the mean of its divisors is an integer number (1368577080).

Almost surely, 2^18057500105 is an apocalyptic number.

It is an amenable number.

18057500105 is a deficient number, since it is larger than the sum of its proper divisors (3839733175).

18057500105 is a wasteful number, since it uses less digits than its factorization.

18057500105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28720.

The product of its (nonzero) digits is 7000, while the sum is 32.

The spelling of 18057500105 in words is "eighteen billion, fifty-seven million, five hundred thousand, one hundred five".