11155235622572 has 6 divisors (see below), whose sum is σ = 19521662339508. Its totient is φ = 5577617811284.

The previous prime is 11155235622571. The next prime is 11155235622647. The reversal of 11155235622572 is 27522653255111.

It is not an unprimeable number, because it can be changed into a prime (11155235622571) 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, 1394404452818 + ... + 1394404452825.

It is an arithmetic number, because the mean of its divisors is an integer number (3253610389918).

Almost surely, 2^{11155235622572} is an apocalyptic number.

It is an amenable number.

11155235622572 is a deficient number, since it is larger than the sum of its proper divisors (8366426716936).

11155235622572 is a wasteful number, since it uses less digits than its factorization.

11155235622572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788808905647 (or 2788808905645 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 47.

Adding to 11155235622572 its reverse (27522653255111), we get a palindrome (38677888877683).

The spelling of 11155235622572 in words is "eleven trillion, one hundred fifty-five billion, two hundred thirty-five million, six hundred twenty-two thousand, five hundred seventy-two".