255545362331 has 4 divisors (see below), whose sum is σ = 292051842672. Its totient is φ = 219038881992.

The previous prime is 255545362291. The next prime is 255545362337. The reversal of 255545362331 is 133263545552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-255545362331 is a prime.

It is a super-2 number, since 2×255545362331² (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 (255545362337) 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, 18253240160 + ... + 18253240173.

It is an arithmetic number, because the mean of its divisors is an integer number (73012960668).

Almost surely, 2^255545362331 is an apocalyptic number.

255545362331 is a deficient number, since it is larger than the sum of its proper divisors (36506480341).

255545362331 is an equidigital number, since it uses as much as digits as its factorization.

255545362331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36506480340.

The product of its digits is 1620000, while the sum is 44.

The spelling of 255545362331 in words is "two hundred fifty-five billion, five hundred forty-five million, three hundred sixty-two thousand, three hundred thirty-one".