255277117097 has 4 divisors (see below), whose sum is σ = 255306593280. Its totient is φ = 255247640916.

The previous prime is 255277117049. The next prime is 255277117159. The reversal of 255277117097 is 790711772552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255277117097 - 2⁸ = 255277116841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255277117297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14725097 + ... + 14742422.

It is an arithmetic number, because the mean of its divisors is an integer number (63826648320).

Almost surely, 2^255277117097 is an apocalyptic number.

It is an amenable number.

255277117097 is a deficient number, since it is larger than the sum of its proper divisors (29476183).

255277117097 is an equidigital number, since it uses as much as digits as its factorization.

255277117097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29476182.

The product of its (nonzero) digits is 2160900, while the sum is 53.

The spelling of 255277117097 in words is "two hundred fifty-five billion, two hundred seventy-seven million, one hundred seventeen thousand, ninety-seven".