56221102079 has 2 divisors, whose sum is σ = 56221102080. Its totient is φ = 56221102078.

The previous prime is 56221102073. The next prime is 56221102081. The reversal of 56221102079 is 97020112265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56221102079 - 2⁸ = 56221101823 is a prime.

Together with 56221102081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56221102073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28110551039 + 28110551040.

It is an arithmetic number, because the mean of its divisors is an integer number (28110551040).

Almost surely, 2^56221102079 is an apocalyptic number.

56221102079 is a deficient number, since it is larger than the sum of its proper divisors (1).

56221102079 is an equidigital number, since it uses as much as digits as its factorization.

56221102079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 56221102079 in words is "fifty-six billion, two hundred twenty-one million, one hundred two thousand, seventy-nine".