1055565532277 has 2 divisors, whose sum is σ = 1055565532278. Its totient is φ = 1055565532276.

The previous prime is 1055565532247. The next prime is 1055565532303. The reversal of 1055565532277 is 7722355655501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011856939921 + 43708592356 = 1005911^2 + 209066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055565532277 - 2⁶ = 1055565532213 is a prime.

It is a super-2 number, since 2×1055565532277² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055565532237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527782766138 + 527782766139.

It is an arithmetic number, because the mean of its divisors is an integer number (527782766139).

Almost surely, 2^{1055565532277} is an apocalyptic number.

It is an amenable number.

1055565532277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055565532277 is an equidigital number, since it uses as much as digits as its factorization.

1055565532277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025000, while the sum is 53.

The spelling of 1055565532277 in words is "one trillion, fifty-five billion, five hundred sixty-five million, five hundred thirty-two thousand, two hundred seventy-seven".