11756083917 has 4 divisors (see below), whose sum is σ = 15674778560. Its totient is φ = 7837389276.

The previous prime is 11756083897. The next prime is 11756083939. The reversal of 11756083917 is 71938065711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71938065711 = 3 ⋅23979355237.

It is not a de Polignac number, because 11756083917 - 2¹⁰ = 11756082893 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 (11756083987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959347317 + ... + 1959347322.

It is an arithmetic number, because the mean of its divisors is an integer number (3918694640).

Almost surely, 2^11756083917 is an apocalyptic number.

It is an amenable number.

11756083917 is a deficient number, since it is larger than the sum of its proper divisors (3918694643).

11756083917 is an equidigital number, since it uses as much as digits as its factorization.

11756083917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918694642.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 11756083917 in words is "eleven billion, seven hundred fifty-six million, eighty-three thousand, nine hundred seventeen".