18048875125 has 8 divisors (see below), whose sum is σ = 22524996312. Its totient is φ = 14439100000.

The previous prime is 18048875107. The next prime is 18048875137. The reversal of 18048875125 is 52157884081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4348874916 + 13700000209 = 65946^2 + 117047^2 .

It is not a de Polignac number, because 18048875125 - 2¹³ = 18048866933 is a prime.

It is a super-4 number, since 4×18048875125⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72195376 + ... + 72195625.

It is an arithmetic number, because the mean of its divisors is an integer number (2815624539).

Almost surely, 2^18048875125 is an apocalyptic number.

It is an amenable number.

18048875125 is a deficient number, since it is larger than the sum of its proper divisors (4476121187).

18048875125 is an equidigital number, since it uses as much as digits as its factorization.

18048875125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144391016 (or 144391006 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 49.

The spelling of 18048875125 in words is "eighteen billion, forty-eight million, eight hundred seventy-five thousand, one hundred twenty-five".