51560411099 has 2 divisors, whose sum is σ = 51560411100. Its totient is φ = 51560411098.

The previous prime is 51560411059. The next prime is 51560411113. The reversal of 51560411099 is 99011406515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51560411099 - 2²⁰ = 51559362523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51560411059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25780205549 + 25780205550.

It is an arithmetic number, because the mean of its divisors is an integer number (25780205550).

Almost surely, 2^51560411099 is an apocalyptic number.

51560411099 is a deficient number, since it is larger than the sum of its proper divisors (1).

51560411099 is an equidigital number, since it uses as much as digits as its factorization.

51560411099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 41.

The spelling of 51560411099 in words is "fifty-one billion, five hundred sixty million, four hundred eleven thousand, ninety-nine".