1361198022277 has 2 divisors, whose sum is σ = 1361198022278. Its totient is φ = 1361198022276.

The previous prime is 1361198022227. The next prime is 1361198022319. The reversal of 1361198022277 is 7722208911631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022472858276 + 338725164001 = 1011174^2 + 582001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361198022277 - 2¹¹ = 1361198020229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1361198022277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361198022227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680599011138 + 680599011139.

It is an arithmetic number, because the mean of its divisors is an integer number (680599011139).

Almost surely, 2^{1361198022277} is an apocalyptic number.

It is an amenable number.

1361198022277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361198022277 is an equidigital number, since it uses as much as digits as its factorization.

1361198022277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 1361198022277 in words is "one trillion, three hundred sixty-one billion, one hundred ninety-eight million, twenty-two thousand, two hundred seventy-seven".