11466750517 has 4 divisors (see below), whose sum is σ = 11466969100. Its totient is φ = 11466531936.

The previous prime is 11466750511. The next prime is 11466750521. The reversal of 11466750517 is 71505766411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8943295761 + 2523454756 = 94569^2 + 50234^2 .

It is a 3-Lehmer number, since φ(11466750517) divides (11466750517-1)³.

It is a cyclic number.

It is not a de Polignac number, because 11466750517 - 2²⁷ = 11332532789 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 (11466750511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21859 + ... + 153007.

It is an arithmetic number, because the mean of its divisors is an integer number (2866742275).

It is a Poulet number, since it divides 2^11466750516-1.

Almost surely, 2^11466750517 is an apocalyptic number.

11466750517 is the 87433-rd pentagonal number.

It is an amenable number.

11466750517 is a deficient number, since it is larger than the sum of its proper divisors (218583).

11466750517 is an equidigital number, since it uses as much as digits as its factorization.

11466750517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218582.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 11466750517 in words is "eleven billion, four hundred sixty-six million, seven hundred fifty thousand, five hundred seventeen".