265726432265 has 16 divisors (see below), whose sum is σ = 370601516160. Its totient is φ = 179124063360.

The previous prime is 265726432261. The next prime is 265726432291. The reversal of 265726432265 is 562234627562.

It is not a de Polignac number, because 265726432265 - 2² = 265726432261 is a prime.

It is a super-2 number, since 2×265726432265² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (265726432261) 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, 64338476 + ... + 64342605.

It is an arithmetic number, because the mean of its divisors is an integer number (23162594760).

Almost surely, 2^265726432265 is an apocalyptic number.

It is an amenable number.

265726432265 is a deficient number, since it is larger than the sum of its proper divisors (104875083895).

265726432265 is a wasteful number, since it uses less digits than its factorization.

265726432265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128681152.

The product of its digits is 7257600, while the sum is 50.

The spelling of 265726432265 in words is "two hundred sixty-five billion, seven hundred twenty-six million, four hundred thirty-two thousand, two hundred sixty-five".