11300561000 has 64 divisors (see below), whose sum is σ = 26633880000. Its totient is φ = 4487649600.

The previous prime is 11300560987. The next prime is 11300561003. The reversal of 11300561000 is 16500311.

It is a self number, because there is not a number n which added to its sum of digits gives 11300561000.

It is not an unprimeable number, because it can be changed into a prime (11300561003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98351 + ... + 179649.

It is an arithmetic number, because the mean of its divisors is an integer number (416154375).

Almost surely, 2^11300561000 is an apocalyptic number.

11300561000 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 11300561000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13316940000).

11300561000 is an abundant number, since it is smaller than the sum of its proper divisors (15333319000).

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

11300561000 is a wasteful number, since it uses less digits than its factorization.

11300561000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81459 (or 81445 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The spelling of 11300561000 in words is "eleven billion, three hundred million, five hundred sixty-one thousand".