11666667137795 has 16 divisors (see below), whose sum is σ = 14026351379040. Its totient is φ = 9315772176384.

The previous prime is 11666667137753. The next prime is 11666667137821. The reversal of 11666667137795 is 59773176666611.

11666667137795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11666667137795 - 2²⁰ = 11666666089219 is a prime.

It is a super-2 number, since 2×11666667137795² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16239971 + ... + 16943139.

It is an arithmetic number, because the mean of its divisors is an integer number (876646961190).

Almost surely, 2^{11666667137795} is an apocalyptic number.

11666667137795 is a deficient number, since it is larger than the sum of its proper divisors (2359684241245).

11666667137795 is an equidigital number, since it uses as much as digits as its factorization.

11666667137795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709414.

The product of its digits is 360067680, while the sum is 71.

The spelling of 11666667137795 in words is "eleven trillion, six hundred sixty-six billion, six hundred sixty-seven million, one hundred thirty-seven thousand, seven hundred ninety-five".