11664156277 has 2 divisors, whose sum is σ = 11664156278. Its totient is φ = 11664156276.

The previous prime is 11664156269. The next prime is 11664156281. The reversal of 11664156277 is 77265146611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11131516036 + 532640241 = 105506^2 + 23079^2 .

It is a cyclic number.

It is not a de Polignac number, because 11664156277 - 2³ = 11664156269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11664156247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832078138 + 5832078139.

It is an arithmetic number, because the mean of its divisors is an integer number (5832078139).

Almost surely, 2^11664156277 is an apocalyptic number.

It is an amenable number.

11664156277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11664156277 is an equidigital number, since it uses as much as digits as its factorization.

11664156277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The spelling of 11664156277 in words is "eleven billion, six hundred sixty-four million, one hundred fifty-six thousand, two hundred seventy-seven".