51010104997 has 2 divisors, whose sum is σ = 51010104998. Its totient is φ = 51010104996.

The previous prime is 51010104931. The next prime is 51010105039. The reversal of 51010104997 is 79940101015.

51010104997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29237922081 + 21772182916 = 170991^2 + 147554^2 .

It is a cyclic number.

It is not a de Polignac number, because 51010104997 - 2⁷ = 51010104869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51010104917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505052498 + 25505052499.

It is an arithmetic number, because the mean of its divisors is an integer number (25505052499).

Almost surely, 2^51010104997 is an apocalyptic number.

It is an amenable number.

51010104997 is a deficient number, since it is larger than the sum of its proper divisors (1).

51010104997 is an equidigital number, since it uses as much as digits as its factorization.

51010104997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 51010104997 in words is "fifty-one billion, ten million, one hundred four thousand, nine hundred ninety-seven".