11197022004 has 144 divisors (see below), whose sum is σ = 33040949760. Its totient is φ = 3131251200.

The previous prime is 11197021987. The next prime is 11197022009. The reversal of 11197022004 is 40022079111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197022009) 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, 2262757 + ... + 2267699.

It is an arithmetic number, because the mean of its divisors is an integer number (229451040).

Almost surely, 2^11197022004 is an apocalyptic number.

11197022004 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 11197022004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16520474880).

11197022004 is an abundant number, since it is smaller than the sum of its proper divisors (21843927756).

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

11197022004 is a wasteful number, since it uses less digits than its factorization.

11197022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 11197022004 in words is "eleven billion, one hundred ninety-seven million, twenty-two thousand, four".