255136843327 has 2 divisors, whose sum is σ = 255136843328. Its totient is φ = 255136843326.

The previous prime is 255136843301. The next prime is 255136843337. The reversal of 255136843327 is 723348631552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255136843327 - 2¹⁵ = 255136810559 is a prime.

It is a super-2 number, since 2×255136843327² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255136843337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127568421663 + 127568421664.

It is an arithmetic number, because the mean of its divisors is an integer number (127568421664).

Almost surely, 2^255136843327 is an apocalyptic number.

255136843327 is a deficient number, since it is larger than the sum of its proper divisors (1).

255136843327 is an equidigital number, since it uses as much as digits as its factorization.

255136843327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 49.

The spelling of 255136843327 in words is "two hundred fifty-five billion, one hundred thirty-six million, eight hundred forty-three thousand, three hundred twenty-seven".