255005455377 has 4 divisors (see below), whose sum is σ = 340007273840. Its totient is φ = 170003636916.

The previous prime is 255005455337. The next prime is 255005455379. The reversal of 255005455377 is 773554500552.

255005455377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 255005455377 - 2²⁶ = 254938346513 is a prime.

It is a super-2 number, since 2×255005455377² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255005455379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42500909227 + ... + 42500909232.

It is an arithmetic number, because the mean of its divisors is an integer number (85001818460).

Almost surely, 2^255005455377 is an apocalyptic number.

It is an amenable number.

255005455377 is a deficient number, since it is larger than the sum of its proper divisors (85001818463).

255005455377 is an equidigital number, since it uses as much as digits as its factorization.

255005455377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85001818462.

The product of its (nonzero) digits is 3675000, while the sum is 48.

The spelling of 255005455377 in words is "two hundred fifty-five billion, five million, four hundred fifty-five thousand, three hundred seventy-seven".