18741015025825 has 12 divisors (see below), whose sum is σ = 23335285438828. Its totient is φ = 14930601177600.

The previous prime is 18741015025813. The next prime is 18741015025861. The reversal of 18741015025825 is 52852051014781.

It can be written as a sum of positive squares in 6 ways, for example, as 1058081734161 + 17682933291664 = 1028631^2 + 4205108^2 .

It is not a de Polignac number, because 18741015025825 - 2¹⁹ = 18741014501537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1555264932 + ... + 1555276981.

Almost surely, 2^{18741015025825} is an apocalyptic number.

It is an amenable number.

18741015025825 is a deficient number, since it is larger than the sum of its proper divisors (4594270413003).

18741015025825 is a wasteful number, since it uses less digits than its factorization.

18741015025825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110542164 (or 3110542159 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 49.

The spelling of 18741015025825 in words is "eighteen trillion, seven hundred forty-one billion, fifteen million, twenty-five thousand, eight hundred twenty-five".