51051111340001 has 2 divisors, whose sum is σ = 51051111340002. Its totient is φ = 51051111340000.

The previous prime is 51051111339889. The next prime is 51051111340007. The reversal of 51051111340001 is 10004311115015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47712506315776 + 3338605024225 = 6907424^2 + 1827185^2 .

It is a cyclic number.

It is not a de Polignac number, because 51051111340001 - 2³⁰ = 51050037598177 is a prime.

It is not a weakly prime, because it can be changed into another prime (51051111340007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525555670000 + 25525555670001.

It is an arithmetic number, because the mean of its divisors is an integer number (25525555670001).

Almost surely, 2^{51051111340001} is an apocalyptic number.

It is an amenable number.

51051111340001 is a deficient number, since it is larger than the sum of its proper divisors (1).

51051111340001 is an equidigital number, since it uses as much as digits as its factorization.

51051111340001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 51051111340001 its reverse (10004311115015), we get a palindrome (61055422455016).

The spelling of 51051111340001 in words is "fifty-one trillion, fifty-one billion, one hundred eleven million, three hundred forty thousand, one".