11013020004 has 192 divisors, whose sum is σ = 31010273280. Its totient is φ = 2976875520.

The previous prime is 11013020003. The next prime is 11013020009. The reversal of 11013020004 is 40002031011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11013020003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16864942 + ... + 16865594.

It is an arithmetic number, because the mean of its divisors is an integer number (161511840).

Almost surely, 2^11013020004 is an apocalyptic number.

11013020004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11013020004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15505136640).

11013020004 is an abundant number, since it is smaller than the sum of its proper divisors (19997253276).

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

11013020004 is a wasteful number, since it uses less digits than its factorization.

11013020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11013020004 its reverse (40002031011), we get a palindrome (51015051015).

The spelling of 11013020004 in words is "eleven billion, thirteen million, twenty thousand, four".