11517703488 has 42 divisors (see below), whose sum is σ = 33013419114. Its totient is φ = 3839234304.

The previous prime is 11517703469. The next prime is 11517703529. The reversal of 11517703488 is 88430771511.

It can be written as a sum of positive squares in only one way, i.e., 9206786304 + 2310917184 = 95952^2 + 48072^2 .

It is a super-2 number, since 2×11517703488² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9997431 + ... + 9998582.

Almost surely, 2^11517703488 is an apocalyptic number.

11517703488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11517703488 is an abundant number, since it is smaller than the sum of its proper divisors (21495715626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11517703488 is a wasteful number, since it uses less digits than its factorization.

11517703488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996031 (or 19996018 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 11517703488 in words is "eleven billion, five hundred seventeen million, seven hundred three thousand, four hundred eighty-eight".