18055153012625 has 16 divisors (see below), whose sum is σ = 22533536992512. Its totient is φ = 14443669825200.

The previous prime is 18055153012601. The next prime is 18055153012639. The reversal of 18055153012625 is 52621035155081.

It is not a de Polignac number, because 18055153012625 - 2¹⁰ = 18055153011601 is a prime.

It is a super-2 number, since 2×18055153012625² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771022 + ... + 6264728.

It is an arithmetic number, because the mean of its divisors is an integer number (1408346062032).

Almost surely, 2^{18055153012625} is an apocalyptic number.

It is an amenable number.

18055153012625 is a deficient number, since it is larger than the sum of its proper divisors (4478383979887).

18055153012625 is an equidigital number, since it uses as much as digits as its factorization.

18055153012625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525865 (or 4525855 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 18055153012625 in words is "eighteen trillion, fifty-five billion, one hundred fifty-three million, twelve thousand, six hundred twenty-five".