5611685879 has 2 divisors, whose sum is σ = 5611685880. Its totient is φ = 5611685878.

The previous prime is 5611685851. The next prime is 5611685887. The reversal of 5611685879 is 9785861165.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5611685879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5611685479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805842939 + 2805842940.

It is an arithmetic number, because the mean of its divisors is an integer number (2805842940).

Almost surely, 2^5611685879 is an apocalyptic number.

5611685879 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611685879 is an equidigital number, since it uses as much as digits as its factorization.

5611685879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 56.

The square root of 5611685879 is about 74911.1866078759. The cubic root of 5611685879 is about 1777.0423760691.

The spelling of 5611685879 in words is "five billion, six hundred eleven million, six hundred eighty-five thousand, eight hundred seventy-nine".