11164535320 has 64 divisors (see below), whose sum is σ = 25633967040. Its totient is φ = 4375296000.

The previous prime is 11164535303. The next prime is 11164535339. The reversal of 11164535320 is 2353546111.

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, 428260 + ... + 453580.

It is an arithmetic number, because the mean of its divisors is an integer number (400530735).

Almost surely, 2^11164535320 is an apocalyptic number.

11164535320 is a gapful number since it is divisible by the number (10) 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 11164535320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12816983520).

11164535320 is an abundant number, since it is smaller than the sum of its proper divisors (14469431720).

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

11164535320 is a wasteful number, since it uses less digits than its factorization.

11164535320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556 (or 25552 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 11164535320 in words is "eleven billion, one hundred sixty-four million, five hundred thirty-five thousand, three hundred twenty".