11517716488 has 16 divisors (see below), whose sum is σ = 21601516860. Its totient is φ = 5757312000.

The previous prime is 11517716479. The next prime is 11517716491. The reversal of 11517716488 is 88461771511.

It can be written as a sum of positive squares in 2 ways, for example, as 11355459844 + 162256644 = 106562^2 + 12738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161313 + ... + 221488.

Almost surely, 2^11517716488 is an apocalyptic number.

It is an amenable number.

11517716488 is a deficient number, since it is larger than the sum of its proper divisors (10083800372).

11517716488 is a wasteful number, since it uses less digits than its factorization.

11517716488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386568 (or 386564 counting only the distinct ones).

The product of its digits is 376320, while the sum is 49.

The spelling of 11517716488 in words is "eleven billion, five hundred seventeen million, seven hundred sixteen thousand, four hundred eighty-eight".