5051211035161 has 2 divisors, whose sum is σ = 5051211035162. Its totient is φ = 5051211035160.

The previous prime is 5051211035107. The next prime is 5051211035173. The reversal of 5051211035161 is 1615301121505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2530915083225 + 2520295951936 = 1590885^2 + 1587544^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051211035161 - 2¹⁹ = 5051210510873 is a prime.

It is a super-2 number, since 2×5051211035161² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5051211035561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525605517580 + 2525605517581.

It is an arithmetic number, because the mean of its divisors is an integer number (2525605517581).

Almost surely, 2^{5051211035161} is an apocalyptic number.

It is an amenable number.

5051211035161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051211035161 is an equidigital number, since it uses as much as digits as its factorization.

5051211035161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 5051211035161 its reverse (1615301121505), we get a palindrome (6666512156666).

The spelling of 5051211035161 in words is "five trillion, fifty-one billion, two hundred eleven million, thirty-five thousand, one hundred sixty-one".