265161172039 has 16 divisors (see below), whose sum is σ = 277164983520. Its totient is φ = 253350697600.

The previous prime is 265161172037. The next prime is 265161172063. The reversal of 265161172039 is 930271161562.

It is a cyclic number.

It is not a de Polignac number, because 265161172039 - 2¹ = 265161172037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265161171986 and 265161172004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265161172037) 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, 5844189 + ... + 5889385.

It is an arithmetic number, because the mean of its divisors is an integer number (17322811470).

Almost surely, 2^265161172039 is an apocalyptic number.

265161172039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

265161172039 is a deficient number, since it is larger than the sum of its proper divisors (12003811481).

265161172039 is a wasteful number, since it uses less digits than its factorization.

265161172039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47330.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 265161172039 in words is "two hundred sixty-five billion, one hundred sixty-one million, one hundred seventy-two thousand, thirty-nine".