11551516830277 has 2 divisors, whose sum is σ = 11551516830278. Its totient is φ = 11551516830276.

The previous prime is 11551516830263. The next prime is 11551516830377. The reversal of 11551516830277 is 77203861515511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10271057112801 + 1280459717476 = 3204849^2 + 1131574^2 .

It is an emirp because it is prime and its reverse (77203861515511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11551516830277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551516830377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775758415138 + 5775758415139.

It is an arithmetic number, because the mean of its divisors is an integer number (5775758415139).

Almost surely, 2^{11551516830277} is an apocalyptic number.

It is an amenable number.

11551516830277 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551516830277 is an equidigital number, since it uses as much as digits as its factorization.

11551516830277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 11551516830277 in words is "eleven trillion, five hundred fifty-one billion, five hundred sixteen million, eight hundred thirty thousand, two hundred seventy-seven".