18045125975 has 24 divisors (see below), whose sum is σ = 22913042400. Its totient is φ = 14092341120.

The previous prime is 18045125963. The next prime is 18045125977. The reversal of 18045125975 is 57952154081.

It is a happy number.

It is not a de Polignac number, because 18045125975 - 2¹⁴ = 18045109591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18045125977) 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 23 ways as a sum of consecutive naturals, for example, 229457 + ... + 297893.

It is an arithmetic number, because the mean of its divisors is an integer number (954710100).

Almost surely, 2^18045125975 is an apocalyptic number.

18045125975 is a deficient number, since it is larger than the sum of its proper divisors (4867916425).

18045125975 is a wasteful number, since it uses less digits than its factorization.

18045125975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68699 (or 68694 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 18045125975 in words is "eighteen billion, forty-five million, one hundred twenty-five thousand, nine hundred seventy-five".