56616061055107 has 2 divisors, whose sum is σ = 56616061055108. Its totient is φ = 56616061055106.

The previous prime is 56616061055077. The next prime is 56616061055129. The reversal of 56616061055107 is 70155016061665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56616061055107 is a prime.

It is not a weakly prime, because it can be changed into another prime (56616961055107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28308030527553 + 28308030527554.

It is an arithmetic number, because the mean of its divisors is an integer number (28308030527554).

Almost surely, 2^{56616061055107} is an apocalyptic number.

56616061055107 is a deficient number, since it is larger than the sum of its proper divisors (1).

56616061055107 is an equidigital number, since it uses as much as digits as its factorization.

56616061055107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 56616061055107 in words is "fifty-six trillion, six hundred sixteen billion, sixty-one million, fifty-five thousand, one hundred seven".