18575250001 has 16 divisors (see below), whose sum is σ = 23246834688. Its totient is φ = 14419170000.

The previous prime is 18575249993. The next prime is 18575250049. The reversal of 18575250001 is 10005257581.

It is a cyclic number.

It is not a de Polignac number, because 18575250001 - 2³ = 18575249993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18575250061) 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, 438375 + ... + 478876.

It is an arithmetic number, because the mean of its divisors is an integer number (1452927168).

Almost surely, 2^18575250001 is an apocalyptic number.

18575250001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18575250001 is a deficient number, since it is larger than the sum of its proper divisors (4671584687).

18575250001 is a wasteful number, since it uses less digits than its factorization.

18575250001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917532.

The product of its (nonzero) digits is 14000, while the sum is 34.

The spelling of 18575250001 in words is "eighteen billion, five hundred seventy-five million, two hundred fifty thousand, one".