11666650929039 has 28 divisors (see below), whose sum is σ = 17503401445512. Its totient is φ = 7772686354800.

The previous prime is 11666650929019. The next prime is 11666650929047. The reversal of 11666650929039 is 93092905666611.

It is not a de Polignac number, because 11666650929039 - 2⁴³ = 2870557906831 is a prime.

It is a super-2 number, since 2×11666650929039² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666650929019) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4110432 + ... + 6342629.

Almost surely, 2^{11666650929039} is an apocalyptic number.

11666650929039 is a deficient number, since it is larger than the sum of its proper divisors (5836750516473).

11666650929039 is an equidigital number, since it uses as much as digits as its factorization.

11666650929039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10454610 (or 10454595 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 63.

The spelling of 11666650929039 in words is "eleven trillion, six hundred sixty-six billion, six hundred fifty million, nine hundred twenty-nine thousand, thirty-nine".