275780255771 has 2 divisors, whose sum is σ = 275780255772. Its totient is φ = 275780255770.

The previous prime is 275780255761. The next prime is 275780255819. The reversal of 275780255771 is 177552087572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275780255771 - 2²² = 275776061467 is a prime.

It is not a weakly prime, because it can be changed into another prime (275780255731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137890127885 + 137890127886.

It is an arithmetic number, because the mean of its divisors is an integer number (137890127886).

Almost surely, 2^275780255771 is an apocalyptic number.

275780255771 is a deficient number, since it is larger than the sum of its proper divisors (1).

275780255771 is an equidigital number, since it uses as much as digits as its factorization.

275780255771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9604000, while the sum is 56.

The spelling of 275780255771 in words is "two hundred seventy-five billion, seven hundred eighty million, two hundred fifty-five thousand, seven hundred seventy-one".