11040265658 has 16 divisors (see below), whose sum is σ = 16794487296. Its totient is φ = 5442615360.

The previous prime is 11040265619. The next prime is 11040265703. The reversal of 11040265658 is 85656204011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84716 + ... + 171047.

It is an arithmetic number, because the mean of its divisors is an integer number (1049655456).

Almost surely, 2^11040265658 is an apocalyptic number.

11040265658 is a deficient number, since it is larger than the sum of its proper divisors (5754221638).

11040265658 is a wasteful number, since it uses less digits than its factorization.

11040265658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256069.

The product of its (nonzero) digits is 57600, while the sum is 38.

Adding to 11040265658 its reverse (85656204011), we get a palindrome (96696469669).

The spelling of 11040265658 in words is "eleven billion, forty million, two hundred sixty-five thousand, six hundred fifty-eight".