9117396525 has 96 divisors (see below), whose sum is σ = 16410199680. Its totient is φ = 4451328000.

The previous prime is 9117396521. The next prime is 9117396571. The reversal of 9117396525 is 5256937119.

It is not a de Polignac number, because 9117396525 - 2² = 9117396521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9117396521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6601335 + ... + 6602715.

It is an arithmetic number, because the mean of its divisors is an integer number (170939580).

Almost surely, 2^9117396525 is an apocalyptic number.

9117396525 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9117396525 is a deficient number, since it is larger than the sum of its proper divisors (7292803155).

9117396525 is a wasteful number, since it uses less digits than its factorization.

9117396525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1562 counting only the distinct ones).

The product of its digits is 510300, while the sum is 48.

The square root of 9117396525 is about 95485.0591715793. The cubic root of 9117396525 is about 2089.0890259264.

The spelling of 9117396525 in words is "nine billion, one hundred seventeen million, three hundred ninety-six thousand, five hundred twenty-five".