255036523551 has 4 divisors (see below), whose sum is σ = 340048698072. Its totient is φ = 170024349032.

The previous prime is 255036523529. The next prime is 255036523589. The reversal of 255036523551 is 155325630552.

It is a happy number.

255036523551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 255036523551 - 2¹⁹ = 255035999263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255036543551) 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 3 ways as a sum of consecutive naturals, for example, 42506087256 + ... + 42506087261.

It is an arithmetic number, because the mean of its divisors is an integer number (85012174518).

Almost surely, 2^255036523551 is an apocalyptic number.

255036523551 is a deficient number, since it is larger than the sum of its proper divisors (85012174521).

255036523551 is an equidigital number, since it uses as much as digits as its factorization.

255036523551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85012174520.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 255036523551 in words is "two hundred fifty-five billion, thirty-six million, five hundred twenty-three thousand, five hundred fifty-one".