11113353551523 has 32 divisors (see below), whose sum is σ = 15629502873600. Its totient is φ = 7004655842976.

The previous prime is 11113353551519. The next prime is 11113353551537. The reversal of 11113353551523 is 32515535331111.

It is not a de Polignac number, because 11113353551523 - 2² = 11113353551519 is a prime.

It is a super-2 number, since 2×11113353551523² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11113353551543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68398486 + ... + 68560772.

It is an arithmetic number, because the mean of its divisors is an integer number (488421964800).

Almost surely, 2^{11113353551523} is an apocalyptic number.

11113353551523 is a deficient number, since it is larger than the sum of its proper divisors (4516149322077).

11113353551523 is a wasteful number, since it uses less digits than its factorization.

11113353551523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164751.

The product of its digits is 101250, while the sum is 39.

Adding to 11113353551523 its reverse (32515535331111), we get a palindrome (43628888882634).

The spelling of 11113353551523 in words is "eleven trillion, one hundred thirteen billion, three hundred fifty-three million, five hundred fifty-one thousand, five hundred twenty-three".