14925790018881 has 27 divisors (see below), whose sum is σ = 25079524994433. Its totient is φ = 8528976507240.

The previous prime is 14925790018849. The next prime is 14925790018891. The reversal of 14925790018881 is 18881009752941.

The square root of 14925790018881 is 3863391.

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

14925790018881 is a `hidden beast` number, since 1 + 49 + 2 + 579 + 0 + 0 + 18 + 8 + 8 + 1 = 666.

It is not a de Polignac number, because 14925790018881 - 2⁵ = 14925790018849 is a prime.

It is a super-2 number, since 2×14925790018881² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (14925790018831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 81039226 + ... + 81223196.

Almost surely, 2^{14925790018881} is an apocalyptic number.

14925790018881 is the 3863391-st square number.

14925790018881 is the 1931696-th centered octagonal number.

It is an amenable number.

14925790018881 is a deficient number, since it is larger than the sum of its proper divisors (10153734975552).

14925790018881 is an frugal number, since it uses more digits than its factorization.

14925790018881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367962 (or 183981 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 63.

The spelling of 14925790018881 in words is "fourteen trillion, nine hundred twenty-five billion, seven hundred ninety million, eighteen thousand, eight hundred eighty-one".