5599988111 has 2 divisors, whose sum is σ = 5599988112. Its totient is φ = 5599988110.

The previous prime is 5599988057. The next prime is 5599988113. The reversal of 5599988111 is 1118899955.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5599988111 is a prime.

It is a Sophie Germain prime.

Together with 5599988113, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5599988113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799994055 + 2799994056.

It is an arithmetic number, because the mean of its divisors is an integer number (2799994056).

Almost surely, 2^5599988111 is an apocalyptic number.

5599988111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5599988111 is an equidigital number, since it uses as much as digits as its factorization.

5599988111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 56.

The square root of 5599988111 is about 74833.0682987140. The cubic root of 5599988111 is about 1775.8067467830.

The spelling of 5599988111 in words is "five billion, five hundred ninety-nine million, nine hundred eighty-eight thousand, one hundred eleven".