11564945300 has 36 divisors (see below), whose sum is σ = 26572166460. Its totient is φ = 4353861120.

The previous prime is 11564945299. The next prime is 11564945303. The reversal of 11564945300 is 354946511.

It can be written as a sum of positive squares in 6 ways, for example, as 387381124 + 11177564176 = 19682^2 + 105724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11564945303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3399755 + ... + 3403154.

It is an arithmetic number, because the mean of its divisors is an integer number (738115735).

Almost surely, 2^11564945300 is an apocalyptic number.

11564945300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11564945300 is an abundant number, since it is smaller than the sum of its proper divisors (15007221160).

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

11564945300 is a wasteful number, since it uses less digits than its factorization.

11564945300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802940 (or 6802933 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11564945300 in words is "eleven billion, five hundred sixty-four million, nine hundred forty-five thousand, three hundred".