51041340444533 has 2 divisors, whose sum is σ = 51041340444534. Its totient is φ = 51041340444532.

The previous prime is 51041340444511. The next prime is 51041340444539. The reversal of 51041340444533 is 33544404314015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33847529886769 + 17193810557764 = 5817863^2 + 4146542^2 .

It is a cyclic number.

It is not a de Polignac number, because 51041340444533 - 2⁶ = 51041340444469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51041340444539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25520670222266 + 25520670222267.

It is an arithmetic number, because the mean of its divisors is an integer number (25520670222267).

Almost surely, 2^{51041340444533} is an apocalyptic number.

It is an amenable number.

51041340444533 is a deficient number, since it is larger than the sum of its proper divisors (1).

51041340444533 is an equidigital number, since it uses as much as digits as its factorization.

51041340444533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 51041340444533 its reverse (33544404314015), we get a palindrome (84585744758548).

The spelling of 51041340444533 in words is "fifty-one trillion, forty-one billion, three hundred forty million, four hundred forty-four thousand, five hundred thirty-three".