11089723847 has 2 divisors, whose sum is σ = 11089723848. Its totient is φ = 11089723846.

The previous prime is 11089723823. The next prime is 11089723867. The reversal of 11089723847 is 74832798011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11089723847 - 2²⁰ = 11088675271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11089723795 and 11089723804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11089723807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5544861923 + 5544861924.

It is an arithmetic number, because the mean of its divisors is an integer number (5544861924).

Almost surely, 2^11089723847 is an apocalyptic number.

11089723847 is a deficient number, since it is larger than the sum of its proper divisors (1).

11089723847 is an equidigital number, since it uses as much as digits as its factorization.

11089723847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 11089723847 in words is "eleven billion, eighty-nine million, seven hundred twenty-three thousand, eight hundred forty-seven".