5160000051161 has 4 divisors (see below), whose sum is σ = 5160009798324. Its totient is φ = 5159990304000.

The previous prime is 5160000051149. The next prime is 5160000051187. The reversal of 5160000051161 is 1611500000615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4464477410761 + 695522640400 = 2112931^2 + 833980^2 .

It is a cyclic number.

It is not a de Polignac number, because 5160000051161 - 2⁴² = 761953540057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5160000051161.

It is not an unprimeable number, because it can be changed into a prime (5160000059161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030940 + ... + 5154461.

It is an arithmetic number, because the mean of its divisors is an integer number (1290002449581).

Almost surely, 2^{5160000051161} is an apocalyptic number.

It is an amenable number.

5160000051161 is a deficient number, since it is larger than the sum of its proper divisors (9747163).

5160000051161 is an equidigital number, since it uses as much as digits as its factorization.

5160000051161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747162.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 5160000051161 its reverse (1611500000615), we get a palindrome (6771500051776).

The spelling of 5160000051161 in words is "five trillion, one hundred sixty billion, fifty-one thousand, one hundred sixty-one".