14857415881 has 27 divisors (see below), whose sum is σ = 19009152813. Its totient is φ = 11569893720.

The previous prime is 14857415861. The next prime is 14857415893. The reversal of 14857415881 is 18851475841.

It is a happy number.

The square root of 14857415881 is 121891.

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

14857415881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14857415881 - 2⁹ = 14857415369 is a prime.

It is a super-2 number, since 2×14857415881² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14857415821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9384816 + ... + 9386398.

Almost surely, 2^14857415881 is an apocalyptic number.

14857415881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14857415881 is the 121891-st square number.

14857415881 is the 60946-th centered octagonal number.

It is an amenable number.

14857415881 is a deficient number, since it is larger than the sum of its proper divisors (4151736932).

14857415881 is an frugal number, since it uses more digits than its factorization.

14857415881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 1601 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 52.

The spelling of 14857415881 in words is "fourteen billion, eight hundred fifty-seven million, four hundred fifteen thousand, eight hundred eighty-one".