11808180023525 has 6 divisors (see below), whose sum is σ = 14642143229202. Its totient is φ = 9446544018800.

The previous prime is 11808180023501. The next prime is 11808180023539. The reversal of 11808180023525 is 52532008180811.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 33626023876 + 11774553999649 = 183374^2 + 3431407^2 .

It is not a de Polignac number, because 11808180023525 - 2⁶ = 11808180023461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236163600446 + ... + 236163600495.

It is an arithmetic number, because the mean of its divisors is an integer number (2440357204867).

Almost surely, 2^{11808180023525} is an apocalyptic number.

It is an amenable number.

11808180023525 is a deficient number, since it is larger than the sum of its proper divisors (2833963205677).

11808180023525 is an equidigital number, since it uses as much as digits as its factorization.

11808180023525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472327200951 (or 472327200946 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 44.

The spelling of 11808180023525 in words is "eleven trillion, eight hundred eight billion, one hundred eighty million, twenty-three thousand, five hundred twenty-five".