5161261511323 has 16 divisors (see below), whose sum is σ = 5295875904000. Its totient is φ = 5027717440672.

The previous prime is 5161261511299. The next prime is 5161261511359. The reversal of 5161261511323 is 3231151621615.

It is a cyclic number.

It is not a de Polignac number, because 5161261511323 - 2³⁷ = 5023822557851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161261514323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12682908 + ... + 13083526.

It is an arithmetic number, because the mean of its divisors is an integer number (330992244000).

Almost surely, 2^{5161261511323} is an apocalyptic number.

5161261511323 is a deficient number, since it is larger than the sum of its proper divisors (134614392677).

5161261511323 is a wasteful number, since it uses less digits than its factorization.

5161261511323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401954.

The product of its digits is 32400, while the sum is 37.

The spelling of 5161261511323 in words is "five trillion, one hundred sixty-one billion, two hundred sixty-one million, five hundred eleven thousand, three hundred twenty-three".