18575758105 has 4 divisors (see below), whose sum is σ = 22290909732. Its totient is φ = 14860606480.

The previous prime is 18575758079. The next prime is 18575758121. The reversal of 18575758105 is 50185757581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50185757581 = 877 ⋅57224353.

It can be written as a sum of positive squares in 2 ways, for example, as 6106015881 + 12469742224 = 78141^2 + 111668^2 .

It is not a de Polignac number, because 18575758105 - 2⁹ = 18575757593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857575806 + ... + 1857575815.

It is an arithmetic number, because the mean of its divisors is an integer number (5572727433).

Almost surely, 2^18575758105 is an apocalyptic number.

It is an amenable number.

18575758105 is a deficient number, since it is larger than the sum of its proper divisors (3715151627).

18575758105 is an equidigital number, since it uses as much as digits as its factorization.

18575758105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715151626.

The product of its (nonzero) digits is 1960000, while the sum is 52.

The spelling of 18575758105 in words is "eighteen billion, five hundred seventy-five million, seven hundred fifty-eight thousand, one hundred five".