18525011875 has 30 divisors (see below), whose sum is σ = 24386740620. Its totient is φ = 14028768000.

The previous prime is 18525011873. The next prime is 18525011887. The reversal of 18525011875 is 57811052581.

It is not a de Polignac number, because 18525011875 - 2¹ = 18525011873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18525011873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14831251 + ... + 14832499.

It is an arithmetic number, because the mean of its divisors is an integer number (812891354).

Almost surely, 2^18525011875 is an apocalyptic number.

18525011875 is a deficient number, since it is larger than the sum of its proper divisors (5861728745).

18525011875 is an frugal number, since it uses more digits than its factorization.

18525011875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 43.

The spelling of 18525011875 in words is "eighteen billion, five hundred twenty-five million, eleven thousand, eight hundred seventy-five".