11131104402 has 96 divisors (see below), whose sum is σ = 27424051200. Its totient is φ = 3355791120.

The previous prime is 11131104379. The next prime is 11131104407. The reversal of 11131104402 is 20440113111.

11131104402 is a `hidden beast` number, since 1 + 113 + 110 + 440 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11131104407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1058623 + ... + 1069085.

It is an arithmetic number, because the mean of its divisors is an integer number (285667200).

Almost surely, 2^11131104402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11131104402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13712025600).

11131104402 is an abundant number, since it is smaller than the sum of its proper divisors (16292946798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131104402 is a wasteful number, since it uses less digits than its factorization.

11131104402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690 (or 10678 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11131104402 its reverse (20440113111), we get a palindrome (31571217513).

The spelling of 11131104402 in words is "eleven billion, one hundred thirty-one million, one hundred four thousand, four hundred two".