255020430551 has 2 divisors, whose sum is σ = 255020430552. Its totient is φ = 255020430550.

The previous prime is 255020430527. The next prime is 255020430601. The reversal of 255020430551 is 155034020552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255020430551 - 2⁶ = 255020430487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255020430151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127510215275 + 127510215276.

It is an arithmetic number, because the mean of its divisors is an integer number (127510215276).

Almost surely, 2^255020430551 is an apocalyptic number.

255020430551 is a deficient number, since it is larger than the sum of its proper divisors (1).

255020430551 is an equidigital number, since it uses as much as digits as its factorization.

255020430551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 255020430551 in words is "two hundred fifty-five billion, twenty million, four hundred thirty thousand, five hundred fifty-one".