11746043399 has 4 divisors (see below), whose sum is σ = 11995959264. Its totient is φ = 11496127536.

The previous prime is 11746043389. The next prime is 11746043411. The reversal of 11746043399 is 99334064711.

11746043399 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 a cyclic number.

It is not a de Polignac number, because 11746043399 - 2³² = 7451076103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 249915817 = 11746043399 / (1 + 1 + 7 + 4 + 6 + 0 + 4 + 3 + 3 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11746043339) 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, 124957862 + ... + 124957955.

It is an arithmetic number, because the mean of its divisors is an integer number (2998989816).

Almost surely, 2^11746043399 is an apocalyptic number.

11746043399 is a deficient number, since it is larger than the sum of its proper divisors (249915865).

11746043399 is an equidigital number, since it uses as much as digits as its factorization.

11746043399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249915864.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 11746043399 in words is "eleven billion, seven hundred forty-six million, forty-three thousand, three hundred ninety-nine".