18225061122724 has 27 divisors (see below), whose sum is σ = 31938101097987. Its totient is φ = 9099906885888.

The previous prime is 18225061122701. The next prime is 18225061122799. The reversal of 18225061122724 is 42722116052281.

The square root of 18225061122724 is 4269082.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3142401473124 + 15082659649600 = 1772682^2 + 3883640^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10664165982 + ... + 10664167690.

Almost surely, 2^{18225061122724} is an apocalyptic number.

18225061122724 is the 4269082-nd square number.

It is an amenable number.

18225061122724 is a deficient number, since it is larger than the sum of its proper divisors (13713039975263).

18225061122724 is an frugal number, since it uses more digits than its factorization.

18225061122724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 18225061122724 in words is "eighteen trillion, two hundred twenty-five billion, sixty-one million, one hundred twenty-two thousand, seven hundred twenty-four".