18056200975 has 12 divisors (see below), whose sum is σ = 22411065600. Its totient is φ = 14431169600.

The previous prime is 18056200963. The next prime is 18056200999. The reversal of 18056200975 is 57900265081.

It is a de Polignac number, because none of the positive numbers 2^k-18056200975 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 318031 + ... + 370480.

It is an arithmetic number, because the mean of its divisors is an integer number (1867588800).

Almost surely, 2^18056200975 is an apocalyptic number.

18056200975 is a deficient number, since it is larger than the sum of its proper divisors (4354864625).

18056200975 is a wasteful number, since it uses less digits than its factorization.

18056200975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689570 (or 689565 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 18056200975 in words is "eighteen billion, fifty-six million, two hundred thousand, nine hundred seventy-five".