1166116501127 has 2 divisors, whose sum is σ = 1166116501128. Its totient is φ = 1166116501126.

The previous prime is 1166116501111. The next prime is 1166116501139. The reversal of 1166116501127 is 7211056116611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166116501127 - 2⁴ = 1166116501111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166116501177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583058250563 + 583058250564.

It is an arithmetic number, because the mean of its divisors is an integer number (583058250564).

Almost surely, 2^{1166116501127} is an apocalyptic number.

1166116501127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166116501127 is an equidigital number, since it uses as much as digits as its factorization.

1166116501127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 1166116501127 in words is "one trillion, one hundred sixty-six billion, one hundred sixteen million, five hundred one thousand, one hundred twenty-seven".