265161172037 has 2 divisors, whose sum is σ = 265161172038. Its totient is φ = 265161172036.

The previous prime is 265161171991. The next prime is 265161172063. The reversal of 265161172037 is 730271161562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248770515361 + 16390656676 = 498769^2 + 128026^2 .

It is a cyclic number.

It is not a de Polignac number, because 265161172037 - 2¹⁰ = 265161171013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265161171985 and 265161172003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265161172637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132580586018 + 132580586019.

It is an arithmetic number, because the mean of its divisors is an integer number (132580586019).

Almost surely, 2^265161172037 is an apocalyptic number.

It is an amenable number.

265161172037 is a deficient number, since it is larger than the sum of its proper divisors (1).

265161172037 is an equidigital number, since it uses as much as digits as its factorization.

265161172037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 265161172037 in words is "two hundred sixty-five billion, one hundred sixty-one million, one hundred seventy-two thousand, thirty-seven".