11666526308751 has 16 divisors (see below), whose sum is σ = 15773763987200. Its totient is φ = 7668558152640.

The previous prime is 11666526308741. The next prime is 11666526308791. The reversal of 11666526308751 is 15780362566611.

It is not a de Polignac number, because 11666526308751 - 2⁵ = 11666526308719 is a prime.

It is a super-2 number, since 2×11666526308751² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11666526308691 and 11666526308700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666526308741) 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 15 ways as a sum of consecutive naturals, for example, 8314651 + ... + 9615948.

It is an arithmetic number, because the mean of its divisors is an integer number (985860249200).

Almost surely, 2^{11666526308751} is an apocalyptic number.

11666526308751 is a deficient number, since it is larger than the sum of its proper divisors (4107237678449).

11666526308751 is a wasteful number, since it uses less digits than its factorization.

11666526308751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17933646.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 11666526308751 in words is "eleven trillion, six hundred sixty-six billion, five hundred twenty-six million, three hundred eight thousand, seven hundred fifty-one".