11666115127 has 2 divisors, whose sum is σ = 11666115128. Its totient is φ = 11666115126.

The previous prime is 11666115077. The next prime is 11666115161. The reversal of 11666115127 is 72151166611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11666115127 - 2²³ = 11657726519 is a prime.

It is a super-2 number, since 2×11666115127² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11666715127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833057563 + 5833057564.

It is an arithmetic number, because the mean of its divisors is an integer number (5833057564).

Almost surely, 2^11666115127 is an apocalyptic number.

11666115127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11666115127 is an equidigital number, since it uses as much as digits as its factorization.

11666115127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 37.

The spelling of 11666115127 in words is "eleven billion, six hundred sixty-six million, one hundred fifteen thousand, one hundred twenty-seven".