13916015625 has 52 divisors (see below), whose sum is σ = 24414062480. Its totient is φ = 7031250000.

The previous prime is 13916015563. The next prime is 13916015683. The reversal of 13916015625 is 52651061931.

It is a happy number.

13916015625 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 13916015625 - 2¹¹ = 13916013577 is a prime.

It is an unprimeable number.

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 51 ways as a sum of consecutive naturals, for example, 732421866 + ... + 732421884.

Almost surely, 2^13916015625 is an apocalyptic number.

13916015625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13916015625 is a deficient number, since it is larger than the sum of its proper divisors (10498046855).

13916015625 is an frugal number, since it uses more digits than its factorization.

13916015625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 13916015625 in words is "thirteen billion, nine hundred sixteen million, fifteen thousand, six hundred twenty-five".