5161380266507 has 2 divisors, whose sum is σ = 5161380266508. Its totient is φ = 5161380266506.

The previous prime is 5161380266501. The next prime is 5161380266687. The reversal of 5161380266507 is 7056620831615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5161380266507 - 2⁶ = 5161380266443 is a prime.

It is not a weakly prime, because it can be changed into another prime (5161380266501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580690133253 + 2580690133254.

It is an arithmetic number, because the mean of its divisors is an integer number (2580690133254).

Almost surely, 2^{5161380266507} is an apocalyptic number.

5161380266507 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161380266507 is an equidigital number, since it uses as much as digits as its factorization.

5161380266507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 5161380266507 in words is "five trillion, one hundred sixty-one billion, three hundred eighty million, two hundred sixty-six thousand, five hundred seven".