11149146399 has 4 divisors (see below), whose sum is σ = 14865528536. Its totient is φ = 7432764264.

The previous prime is 11149146383. The next prime is 11149146419. The reversal of 11149146399 is 99364194111.

11149146399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11149146399 - 2⁴ = 11149146383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11149146199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858191064 + ... + 1858191069.

It is an arithmetic number, because the mean of its divisors is an integer number (3716382134).

Almost surely, 2^11149146399 is an apocalyptic number.

11149146399 is a deficient number, since it is larger than the sum of its proper divisors (3716382137).

11149146399 is an equidigital number, since it uses as much as digits as its factorization.

11149146399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716382136.

The product of its digits is 209952, while the sum is 48.

The spelling of 11149146399 in words is "eleven billion, one hundred forty-nine million, one hundred forty-six thousand, three hundred ninety-nine".