11205603320 has 64 divisors (see below), whose sum is σ = 25964928000. Its totient is φ = 4350423168.

The previous prime is 11205603317. The next prime is 11205603341. The reversal of 11205603320 is 2330650211.

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, 156389 + ... + 216491.

It is an arithmetic number, because the mean of its divisors is an integer number (405702000).

Almost surely, 2^11205603320 is an apocalyptic number.

11205603320 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 11205603320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12982464000).

11205603320 is an abundant number, since it is smaller than the sum of its proper divisors (14759324680).

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

11205603320 is a wasteful number, since it uses less digits than its factorization.

11205603320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60252 (or 60248 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The spelling of 11205603320 in words is "eleven billion, two hundred five million, six hundred three thousand, three hundred twenty".