11148899 has 2 divisors, whose sum is σ = 11148900. Its totient is φ = 11148898.

The previous prime is 11148887. The next prime is 11148947. The reversal of 11148899 is 99884111.

11148899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (99884111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11148899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11148199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574449 + 5574450.

It is an arithmetic number, because the mean of its divisors is an integer number (5574450).

Almost surely, 2^11148899 is an apocalyptic number.

11148899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11148899 is an equidigital number, since it uses as much as digits as its factorization.

11148899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 41.

The square root of 11148899 is about 3338.9967055989. The cubic root of 11148899 is about 223.3969950441.

The spelling of 11148899 in words is "eleven million, one hundred forty-eight thousand, eight hundred ninety-nine".