265113665402 has 4 divisors (see below), whose sum is σ = 397670498106. Its totient is φ = 132556832700.

The previous prime is 265113665389. The next prime is 265113665407. The reversal of 265113665402 is 204566311562.

It is a happy number.

265113665402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 265112741881 + 923521 = 514891^2 + 961^2 .

It is a super-2 number, since 2×265113665402² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265113665402.

It is not an unprimeable number, because it can be changed into a prime (265113665407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66278416349 + ... + 66278416352.

Almost surely, 2^265113665402 is an apocalyptic number.

265113665402 is a deficient number, since it is larger than the sum of its proper divisors (132556832704).

265113665402 is a wasteful number, since it uses less digits than its factorization.

265113665402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132556832703.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 265113665402 its reverse (204566311562), we get a palindrome (469679976964).

The spelling of 265113665402 in words is "two hundred sixty-five billion, one hundred thirteen million, six hundred sixty-five thousand, four hundred two".