55556006111 has 2 divisors, whose sum is σ = 55556006112. Its totient is φ = 55556006110.

The previous prime is 55556006081. The next prime is 55556006119. The reversal of 55556006111 is 11160065555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55556006111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55556006119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778003055 + 27778003056.

It is an arithmetic number, because the mean of its divisors is an integer number (27778003056).

Almost surely, 2^55556006111 is an apocalyptic number.

55556006111 is a deficient number, since it is larger than the sum of its proper divisors (1).

55556006111 is an equidigital number, since it uses as much as digits as its factorization.

55556006111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 55556006111 in words is "fifty-five billion, five hundred fifty-six million, six thousand, one hundred eleven".