11198807827 has 2 divisors, whose sum is σ = 11198807828. Its totient is φ = 11198807826.

The previous prime is 11198807821. The next prime is 11198807861. The reversal of 11198807827 is 72870889111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11198807827 - 2²⁷ = 11064590099 is a prime.

It is not a weakly prime, because it can be changed into another prime (11198807821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599403913 + 5599403914.

It is an arithmetic number, because the mean of its divisors is an integer number (5599403914).

Almost surely, 2^11198807827 is an apocalyptic number.

11198807827 is a deficient number, since it is larger than the sum of its proper divisors (1).

11198807827 is an equidigital number, since it uses as much as digits as its factorization.

11198807827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 52.

It can be divided in two parts, 11198 and 807827, that added together give a square (819025 = 905²).

The spelling of 11198807827 in words is "eleven billion, one hundred ninety-eight million, eight hundred seven thousand, eight hundred twenty-seven".