11012040104 has 64 divisors (see below), whose sum is σ = 22829264640. Its totient is φ = 4947402240.

The previous prime is 11012040089. The next prime is 11012040107. The reversal of 11012040104 is 40104021011.

It is not an unprimeable number, because it can be changed into a prime (11012040107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073917 + ... + 2079219.

It is an arithmetic number, because the mean of its divisors is an integer number (356707260).

Almost surely, 2^11012040104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012040104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11414632320).

11012040104 is an abundant number, since it is smaller than the sum of its proper divisors (11817224536).

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

11012040104 is a wasteful number, since it uses less digits than its factorization.

11012040104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11012040104 its reverse (40104021011), we get a palindrome (51116061115).

The spelling of 11012040104 in words is "eleven billion, twelve million, forty thousand, one hundred four".