13416320025 has 36 divisors (see below), whose sum is σ = 24858756780. Its totient is φ = 6908630400.

The previous prime is 13416320017. The next prime is 13416320039. The reversal of 13416320025 is 52002361431.

13416320025 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 632 + 0 + 0 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1607368464 + 11808951561 = 40092^2 + 108669^2 .

It is not a de Polignac number, because 13416320025 - 2³ = 13416320017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1021546 + ... + 1034595.

Almost surely, 2^13416320025 is an apocalyptic number.

13416320025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13416320025 is a deficient number, since it is larger than the sum of its proper divisors (11442436755).

13416320025 is a wasteful number, since it uses less digits than its factorization.

13416320025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056186 (or 2056178 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13416320025 its reverse (52002361431), we get a palindrome (65418681456).

The spelling of 13416320025 in words is "thirteen billion, four hundred sixteen million, three hundred twenty thousand, twenty-five".