13112054221177 has 2 divisors, whose sum is σ = 13112054221178. Its totient is φ = 13112054221176.

The previous prime is 13112054221171. The next prime is 13112054221223. The reversal of 13112054221177 is 77112245021131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7798955460921 + 5313098760256 = 2792661^2 + 2305016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112054221177 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112054221171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556027110588 + 6556027110589.

It is an arithmetic number, because the mean of its divisors is an integer number (6556027110589).

Almost surely, 2^{13112054221177} is an apocalyptic number.

It is an amenable number.

13112054221177 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112054221177 is an equidigital number, since it uses as much as digits as its factorization.

13112054221177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 13112054221177 in words is "thirteen trillion, one hundred twelve billion, fifty-four million, two hundred twenty-one thousand, one hundred seventy-seven".