6555938554111 has 2 divisors, whose sum is σ = 6555938554112. Its totient is φ = 6555938554110.

The previous prime is 6555938553949. The next prime is 6555938554159. The reversal of 6555938554111 is 1114558395556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6555938554111 - 2²¹ = 6555936456959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555938554411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277969277055 + 3277969277056.

It is an arithmetic number, because the mean of its divisors is an integer number (3277969277056).

Almost surely, 2^{6555938554111} is an apocalyptic number.

6555938554111 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555938554111 is an equidigital number, since it uses as much as digits as its factorization.

6555938554111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200000, while the sum is 58.

The spelling of 6555938554111 in words is "six trillion, five hundred fifty-five billion, nine hundred thirty-eight million, five hundred fifty-four thousand, one hundred eleven".