18148850058577 has 24 divisors (see below), whose sum is σ = 21840340685760. Its totient is φ = 15019452191520.

The previous prime is 18148850058551. The next prime is 18148850058601. The reversal of 18148850058577 is 77585005884181.

It is a de Polignac number, because none of the positive numbers 2^k-18148850058577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18148850058377) 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, 109150618 + ... + 109316764.

It is an arithmetic number, because the mean of its divisors is an integer number (910014195240).

Almost surely, 2^{18148850058577} is an apocalyptic number.

It is an amenable number.

18148850058577 is a deficient number, since it is larger than the sum of its proper divisors (3691490627183).

18148850058577 is a wasteful number, since it uses less digits than its factorization.

18148850058577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243061 (or 243054 counting only the distinct ones).

The product of its (nonzero) digits is 100352000, while the sum is 67.

The spelling of 18148850058577 in words is "eighteen trillion, one hundred forty-eight billion, eight hundred fifty million, fifty-eight thousand, five hundred seventy-seven".