265112566004 has 48 divisors (see below), whose sum is σ = 545225606016. Its totient is φ = 111201552000.

The previous prime is 265112565997. The next prime is 265112566007. The reversal of 265112566004 is 400665211562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265112566007) 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 in 15 ways as a sum of consecutive naturals, for example, 1817969 + ... + 1958375.

It is an arithmetic number, because the mean of its divisors is an integer number (11358866792).

Almost surely, 2^265112566004 is an apocalyptic number.

It is an amenable number.

265112566004 is an abundant number, since it is smaller than the sum of its proper divisors (280113040012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265112566004 is a wasteful number, since it uses less digits than its factorization.

265112566004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143736 (or 143734 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 265112566004 its reverse (400665211562), we get a palindrome (665777777566).

The spelling of 265112566004 in words is "two hundred sixty-five billion, one hundred twelve million, five hundred sixty-six thousand, four".