51103005312097 has 2 divisors, whose sum is σ = 51103005312098. Its totient is φ = 51103005312096.

The previous prime is 51103005311977. The next prime is 51103005312169. The reversal of 51103005312097 is 79021350030115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33684744468736 + 17418260843361 = 5803856^2 + 4173519^2 .

It is a cyclic number.

It is not a de Polignac number, because 51103005312097 - 2¹⁵ = 51103005279329 is a prime.

It is a super-2 number, since 2×51103005312097² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51103005312497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551502656048 + 25551502656049.

It is an arithmetic number, because the mean of its divisors is an integer number (25551502656049).

Almost surely, 2^{51103005312097} is an apocalyptic number.

It is an amenable number.

51103005312097 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103005312097 is an equidigital number, since it uses as much as digits as its factorization.

51103005312097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The spelling of 51103005312097 in words is "fifty-one trillion, one hundred three billion, five million, three hundred twelve thousand, ninety-seven".