11131104502 has 12 divisors (see below), whose sum is σ = 19422641700. Its totient is φ = 4770473316.

The previous prime is 11131104499. The next prime is 11131104511. The reversal of 11131104502 is 20540113111.

It is a self number, because there is not a number n which added to its sum of digits gives 11131104502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56791252 + ... + 56791447.

It is an arithmetic number, because the mean of its divisors is an integer number (1618553475).

Almost surely, 2^11131104502 is an apocalyptic number.

11131104502 is a deficient number, since it is larger than the sum of its proper divisors (8291537198).

11131104502 is a wasteful number, since it uses less digits than its factorization.

11131104502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113582715 (or 113582708 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 11131104502 its reverse (20540113111), we get a palindrome (31671217613).

The spelling of 11131104502 in words is "eleven billion, one hundred thirty-one million, one hundred four thousand, five hundred two".