11091147232 has 96 divisors (see below), whose sum is σ = 24986465280. Its totient is φ = 4800545280.

The previous prime is 11091147217. The next prime is 11091147241. The reversal of 11091147232 is 23274119011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11091147194 and 11091147203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603069 + ... + 621187.

It is an arithmetic number, because the mean of its divisors is an integer number (260275680).

Almost surely, 2^11091147232 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 11091147232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12493232640).

11091147232 is an abundant number, since it is smaller than the sum of its proper divisors (13895318048).

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

11091147232 is a wasteful number, since it uses less digits than its factorization.

11091147232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18224 (or 18216 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 11091147232 in words is "eleven billion, ninety-one million, one hundred forty-seven thousand, two hundred thirty-two".