11200306891 has 4 divisors (see below), whose sum is σ = 11586524400. Its totient is φ = 10814089384.

The previous prime is 11200306883. The next prime is 11200306927. The reversal of 11200306891 is 19860300211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11200306891 - 2³ = 11200306883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200306811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193108711 + ... + 193108768.

It is an arithmetic number, because the mean of its divisors is an integer number (2896631100).

Almost surely, 2^11200306891 is an apocalyptic number.

11200306891 is a deficient number, since it is larger than the sum of its proper divisors (386217509).

11200306891 is an equidigital number, since it uses as much as digits as its factorization.

11200306891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386217508.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 11200306891 in words is "eleven billion, two hundred million, three hundred six thousand, eight hundred ninety-one".