14115578481 has 45 divisors (see below), whose sum is σ = 21658564521. Its totient is φ = 9161599608.

The previous prime is 14115578413. The next prime is 14115578501. The reversal of 14115578481 is 18487551141.

It is a happy number.

The square root of 14115578481 is 118809.

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

14115578481 is a `hidden beast` number, since 1 + 4 + 11 + 557 + 8 + 4 + 81 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-14115578481 is a prime.

It is a super-2 number, since 2×14115578481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14115578681) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 45978930 + ... + 45979236.

Almost surely, 2^14115578481 is an apocalyptic number.

14115578481 is the 118809-th square number.

14115578481 is the 59405-th centered octagonal number.

It is an amenable number.

14115578481 is a deficient number, since it is larger than the sum of its proper divisors (7542986040).

14115578481 is an frugal number, since it uses more digits than its factorization.

14115578481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 353 counting only the distinct ones).

The product of its digits is 179200, while the sum is 45.

The spelling of 14115578481 in words is "fourteen billion, one hundred fifteen million, five hundred seventy-eight thousand, four hundred eighty-one".