51103005313103 has 2 divisors, whose sum is σ = 51103005313104. Its totient is φ = 51103005313102.

The previous prime is 51103005313027. The next prime is 51103005313163. The reversal of 51103005313103 is 30131350030115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51103005313103 - 2¹² = 51103005309007 is a prime.

It is a super-2 number, since 2×51103005313103² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51103005313163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551502656551 + 25551502656552.

It is an arithmetic number, because the mean of its divisors is an integer number (25551502656552).

Almost surely, 2^{51103005313103} is an apocalyptic number.

51103005313103 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103005313103 is an equidigital number, since it uses as much as digits as its factorization.

51103005313103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 51103005313103 its reverse (30131350030115), we get a palindrome (81234355343218).

The spelling of 51103005313103 in words is "fifty-one trillion, one hundred three billion, five million, three hundred thirteen thousand, one hundred three".