265276276665 has 16 divisors (see below), whose sum is σ = 424664659008. Its totient is φ = 141406475456.

The previous prime is 265276276633. The next prime is 265276276669. The reversal of 265276276665 is 566672672562.

It is a cyclic number.

It is not a de Polignac number, because 265276276665 - 2⁵ = 265276276633 is a prime.

It is a super-2 number, since 2×265276276665² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265276276599 and 265276276608.

It is not an unprimeable number, because it can be changed into a prime (265276276669) 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, 4608282 + ... + 4665491.

It is an arithmetic number, because the mean of its divisors is an integer number (26541541188).

Almost surely, 2^265276276665 is an apocalyptic number.

It is an amenable number.

265276276665 is a deficient number, since it is larger than the sum of its proper divisors (159388382343).

265276276665 is a wasteful number, since it uses less digits than its factorization.

265276276665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275688.

The product of its digits is 76204800, while the sum is 60.

The spelling of 265276276665 in words is "two hundred sixty-five billion, two hundred seventy-six million, two hundred seventy-six thousand, six hundred sixty-five".