5161380266687 has 2 divisors, whose sum is σ = 5161380266688. Its totient is φ = 5161380266686.

The previous prime is 5161380266507. The next prime is 5161380266699. The reversal of 5161380266687 is 7866620831615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5161380266687 - 2²⁸ = 5161111831231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5161380236687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580690133343 + 2580690133344.

It is an arithmetic number, because the mean of its divisors is an integer number (2580690133344).

Almost surely, 2^{5161380266687} is an apocalyptic number.

5161380266687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161380266687 is an equidigital number, since it uses as much as digits as its factorization.

5161380266687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 5161380266687 in words is "five trillion, one hundred sixty-one billion, three hundred eighty million, two hundred sixty-six thousand, six hundred eighty-seven".