11243027720 has 32 divisors (see below), whose sum is σ = 25300845720. Its totient is φ = 4496494080.

The previous prime is 11243027717. The next prime is 11243027737. The reversal of 11243027720 is 2772034211.

It can be written as a sum of positive squares in 4 ways, for example, as 8240645284 + 3002382436 = 90778^2 + 54794^2 .

It is a super-3 number, since 3×11243027720³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283004 + ... + 320276.

Almost surely, 2^11243027720 is an apocalyptic number.

11243027720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243027720 is an abundant number, since it is smaller than the sum of its proper divisors (14057818000).

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

11243027720 is a wasteful number, since it uses less digits than its factorization.

11243027720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44825 (or 44821 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 11243027720 in words is "eleven billion, two hundred forty-three million, twenty-seven thousand, seven hundred twenty".