255250277775 has 36 divisors (see below), whose sum is σ = 457210189800. Its totient is φ = 136124971200.

The previous prime is 255250277729. The next prime is 255250277783. The reversal of 255250277775 is 577772052552.

255250277775 is a `hidden beast` number, since 2 + 55 + 250 + 277 + 7 + 75 = 666.

It is not a de Polignac number, because 255250277775 - 2⁷ = 255250277647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5460201 + ... + 5506749.

It is an arithmetic number, because the mean of its divisors is an integer number (12700283050).

Almost surely, 2^255250277775 is an apocalyptic number.

255250277775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255250277775 is a deficient number, since it is larger than the sum of its proper divisors (201959912025).

255250277775 is a wasteful number, since it uses less digits than its factorization.

255250277775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70936 (or 70928 counting only the distinct ones).

The product of its (nonzero) digits is 12005000, while the sum is 54.

The spelling of 255250277775 in words is "two hundred fifty-five billion, two hundred fifty million, two hundred seventy-seven thousand, seven hundred seventy-five".