11720227600 has 45 divisors (see below), whose sum is σ = 28163049663. Its totient is φ = 4687224960.

The previous prime is 11720227543. The next prime is 11720227613. The reversal of 11720227600 is 672202711.

The square root of 11720227600 is 108260.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2144430864 + 9575796736 = 46308^2 + 97856^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2162494 + ... + 2167906.

Almost surely, 2^11720227600 is an apocalyptic number.

11720227600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11720227600 is the 108260-th square number.

It is an amenable number.

11720227600 is an abundant number, since it is smaller than the sum of its proper divisors (16442822063).

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

11720227600 is an frugal number, since it uses more digits than its factorization.

11720227600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 11720227600 in words is "eleven billion, seven hundred twenty million, two hundred twenty-seven thousand, six hundred".