11293988517 has 48 divisors (see below), whose sum is σ = 20175267840. Its totient is φ = 6173090352.

The previous prime is 11293988477. The next prime is 11293988561. The reversal of 11293988517 is 71588939211.

11293988517 is a `hidden beast` number, since 1 + 12 + 9 + 39 + 88 + 517 = 666.

It is not a de Polignac number, because 11293988517 - 2⁸ = 11293988261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11293988567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105217 + ... + 183462.

It is an arithmetic number, because the mean of its divisors is an integer number (420318080).

Almost surely, 2^11293988517 is an apocalyptic number.

It is an amenable number.

11293988517 is a deficient number, since it is larger than the sum of its proper divisors (8881279323).

11293988517 is an equidigital number, since it uses as much as digits as its factorization.

11293988517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288724 (or 288712 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The spelling of 11293988517 in words is "eleven billion, two hundred ninety-three million, nine hundred eighty-eight thousand, five hundred seventeen".