255425194635503 has 2 divisors, whose sum is σ = 255425194635504. Its totient is φ = 255425194635502.

The previous prime is 255425194635469. The next prime is 255425194635539. The reversal of 255425194635503 is 305536491524552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255425194635503 - 2²² = 255425190441199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255425194635553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127712597317751 + 127712597317752.

It is an arithmetic number, because the mean of its divisors is an integer number (127712597317752).

Almost surely, 2^{255425194635503} is an apocalyptic number.

255425194635503 is a deficient number, since it is larger than the sum of its proper divisors (1).

255425194635503 is an equidigital number, since it uses as much as digits as its factorization.

255425194635503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200000, while the sum is 59.

The spelling of 255425194635503 in words is "two hundred fifty-five trillion, four hundred twenty-five billion, one hundred ninety-four million, six hundred thirty-five thousand, five hundred three".