18105115060 has 24 divisors (see below), whose sum is σ = 38230808616. Its totient is φ = 7202033280.

The previous prime is 18105115033. The next prime is 18105115109. The reversal of 18105115060 is 6051150181.

It can be written as a sum of positive squares in 4 ways, for example, as 741255076 + 17363859984 = 27226^2 + 131772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497087 + ... + 2504326.

It is an arithmetic number, because the mean of its divisors is an integer number (1592950359).

Almost surely, 2^18105115060 is an apocalyptic number.

18105115060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18105115060 is an abundant number, since it is smaller than the sum of its proper divisors (20125693556).

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

18105115060 is a wasteful number, since it uses less digits than its factorization.

18105115060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001603 (or 5001601 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 18105115060 in words is "eighteen billion, one hundred five million, one hundred fifteen thousand, sixty".