555631142111 has 2 divisors, whose sum is σ = 555631142112. Its totient is φ = 555631142110.

The previous prime is 555631142083. The next prime is 555631142117. The reversal of 555631142111 is 111241136555.

555631142111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555631142111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555631142117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277815571055 + 277815571056.

It is an arithmetic number, because the mean of its divisors is an integer number (277815571056).

Almost surely, 2^555631142111 is an apocalyptic number.

555631142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

555631142111 is an equidigital number, since it uses as much as digits as its factorization.

555631142111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 35.

Adding to 555631142111 its reverse (111241136555), we get a palindrome (666872278666).

The spelling of 555631142111 in words is "five hundred fifty-five billion, six hundred thirty-one million, one hundred forty-two thousand, one hundred eleven".