11750757517 has 18 divisors (see below), whose sum is σ = 12289678382. Its totient is φ = 11227230000.

The previous prime is 11750757511. The next prime is 11750757539. The reversal of 11750757517 is 71575705711.

11750757517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11433169476 + 317588041 = 106926^2 + 17821^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11750757517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11750757511) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 46815642 + ... + 46815892.

Almost surely, 2^11750757517 is an apocalyptic number.

It is an amenable number.

11750757517 is a deficient number, since it is larger than the sum of its proper divisors (538920865).

11750757517 is an frugal number, since it uses more digits than its factorization.

11750757517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 300125, while the sum is 46.

The spelling of 11750757517 in words is "eleven billion, seven hundred fifty million, seven hundred fifty-seven thousand, five hundred seventeen".