255838977601 has 16 divisors (see below), whose sum is σ = 262639328896. Its totient is φ = 249132381696.

The previous prime is 255838977599. The next prime is 255838977629. The reversal of 255838977601 is 106779838552.

255838977601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 255838977601 - 2¹ = 255838977599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255838977601.

It is not an unprimeable number, because it can be changed into a prime (255838977701) 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 15 ways as a sum of consecutive naturals, for example, 5677180 + ... + 5722066.

It is an arithmetic number, because the mean of its divisors is an integer number (16414958056).

Almost surely, 2^255838977601 is an apocalyptic number.

It is an amenable number.

255838977601 is a deficient number, since it is larger than the sum of its proper divisors (6800351295).

255838977601 is an equidigital number, since it uses as much as digits as its factorization.

255838977601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45928.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 255838977601 in words is "two hundred fifty-five billion, eight hundred thirty-eight million, nine hundred seventy-seven thousand, six hundred one".