12642045524265 has 64 divisors (see below), whose sum is σ = 21294475223040. Its totient is φ = 6395554072320.

The previous prime is 12642045524219. The next prime is 12642045524293. The reversal of 12642045524265 is 56242554024621.

It is not a de Polignac number, because 12642045524265 - 2¹³ = 12642045516073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8017264 + ... + 9463646.

It is an arithmetic number, because the mean of its divisors is an integer number (332726175360).

Almost surely, 2^{12642045524265} is an apocalyptic number.

12642045524265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12642045524265 is a deficient number, since it is larger than the sum of its proper divisors (8652429698775).

12642045524265 is a wasteful number, since it uses less digits than its factorization.

12642045524265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446774.

The product of its (nonzero) digits is 4608000, while the sum is 48.

Adding to 12642045524265 its reverse (56242554024621), we get a palindrome (68884599548886).

The spelling of 12642045524265 in words is "twelve trillion, six hundred forty-two billion, forty-five million, five hundred twenty-four thousand, two hundred sixty-five".