255562603111 has 2 divisors, whose sum is σ = 255562603112. Its totient is φ = 255562603110.

The previous prime is 255562603073. The next prime is 255562603123. The reversal of 255562603111 is 111306265552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255562603111 - 2⁹ = 255562602599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255562609111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127781301555 + 127781301556.

It is an arithmetic number, because the mean of its divisors is an integer number (127781301556).

Almost surely, 2^255562603111 is an apocalyptic number.

255562603111 is a deficient number, since it is larger than the sum of its proper divisors (1).

255562603111 is an equidigital number, since it uses as much as digits as its factorization.

255562603111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 255562603111 its reverse (111306265552), we get a palindrome (366868868663).

The spelling of 255562603111 in words is "two hundred fifty-five billion, five hundred sixty-two million, six hundred three thousand, one hundred eleven".