18578075059 has 16 divisors (see below), whose sum is σ = 19070251200. Its totient is φ = 18093035520.

The previous prime is 18578075057. The next prime is 18578075063. The reversal of 18578075059 is 95057087581.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18578075059 - 2¹ = 18578075057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18578075057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4081717 + ... + 4086265.

It is an arithmetic number, because the mean of its divisors is an integer number (1191890700).

Almost surely, 2^18578075059 is an apocalyptic number.

18578075059 is a deficient number, since it is larger than the sum of its proper divisors (492176141).

18578075059 is an equidigital number, since it uses as much as digits as its factorization.

18578075059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 3528000, while the sum is 55.

The spelling of 18578075059 in words is "eighteen billion, five hundred seventy-eight million, seventy-five thousand, fifty-nine".