18043045153625 has 32 divisors (see below), whose sum is σ = 22604991470880. Its totient is φ = 14378520729600.

The previous prime is 18043045153579. The next prime is 18043045153697. The reversal of 18043045153625 is 52635154034081.

It can be written as a sum of positive squares in 16 ways, for example, as 14269113392704 + 3773931760921 = 3777448^2 + 1942661^2 .

It is not a de Polignac number, because 18043045153625 - 2¹⁴ = 18043045137241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18043045153625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134589629 + ... + 134723621.

It is an arithmetic number, because the mean of its divisors is an integer number (706405983465).

Almost surely, 2^{18043045153625} is an apocalyptic number.

It is an amenable number.

18043045153625 is a deficient number, since it is larger than the sum of its proper divisors (4561946317255).

18043045153625 is a wasteful number, since it uses less digits than its factorization.

18043045153625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138174 (or 138164 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 18043045153625 in words is "eighteen trillion, forty-three billion, forty-five million, one hundred fifty-three thousand, six hundred twenty-five".