65155855277 has 2 divisors, whose sum is σ = 65155855278. Its totient is φ = 65155855276.

The previous prime is 65155855213. The next prime is 65155855283. The reversal of 65155855277 is 77255855156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41738898601 + 23416956676 = 204301^2 + 153026^2 .

It is a cyclic number.

It is not a de Polignac number, because 65155855277 - 2⁶ = 65155855213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65155875277) 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, 32577927638 + 32577927639.

It is an arithmetic number, because the mean of its divisors is an integer number (32577927639).

Almost surely, 2^65155855277 is an apocalyptic number.

It is an amenable number.

65155855277 is a deficient number, since it is larger than the sum of its proper divisors (1).

65155855277 is an equidigital number, since it uses as much as digits as its factorization.

65155855277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700000, while the sum is 56.

The spelling of 65155855277 in words is "sixty-five billion, one hundred fifty-five million, eight hundred fifty-five thousand, two hundred seventy-seven".