1265113242355 has 8 divisors (see below), whose sum is σ = 1526617098000. Its totient is φ = 1006436455776.

The previous prime is 1265113242229. The next prime is 1265113242361. The reversal of 1265113242355 is 5532423115621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1265113242355 - 2⁷ = 1265113242227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706766280 + ... + 706768069.

It is an arithmetic number, because the mean of its divisors is an integer number (190827137250).

Almost surely, 2^{1265113242355} is an apocalyptic number.

1265113242355 is a deficient number, since it is larger than the sum of its proper divisors (261503855645).

1265113242355 is a wasteful number, since it uses less digits than its factorization.

1265113242355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413534533.

The product of its digits is 216000, while the sum is 40.

Adding to 1265113242355 its reverse (5532423115621), we get a palindrome (6797536357976).

The spelling of 1265113242355 in words is "one trillion, two hundred sixty-five billion, one hundred thirteen million, two hundred forty-two thousand, three hundred fifty-five".