51111635112353 has 2 divisors, whose sum is σ = 51111635112354. Its totient is φ = 51111635112352.

The previous prime is 51111635112229. The next prime is 51111635112359. The reversal of 51111635112353 is 35321153611115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50458177905664 + 653457206689 = 7103392^2 + 808367^2 .

It is a cyclic number.

It is not a de Polignac number, because 51111635112353 - 2⁴⁰ = 50012123484577 is a prime.

It is a super-2 number, since 2×51111635112353² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51111635112359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555817556176 + 25555817556177.

It is an arithmetic number, because the mean of its divisors is an integer number (25555817556177).

Almost surely, 2^{51111635112353} is an apocalyptic number.

It is an amenable number.

51111635112353 is a deficient number, since it is larger than the sum of its proper divisors (1).

51111635112353 is an equidigital number, since it uses as much as digits as its factorization.

51111635112353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 38.

Adding to 51111635112353 its reverse (35321153611115), we get a palindrome (86432788723468).

The spelling of 51111635112353 in words is "fifty-one trillion, one hundred eleven billion, six hundred thirty-five million, one hundred twelve thousand, three hundred fifty-three".