1145819432399 has 4 divisors (see below), whose sum is σ = 1146394356336. Its totient is φ = 1145244508464.

The previous prime is 1145819432389. The next prime is 1145819432413. The reversal of 1145819432399 is 9932349185411.

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 1145819432399 - 2¹⁶ = 1145819366863 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 (1145819432389) 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, 287458979 + ... + 287462964.

It is an arithmetic number, because the mean of its divisors is an integer number (286598589084).

Almost surely, 2^{1145819432399} is an apocalyptic number.

1145819432399 is a deficient number, since it is larger than the sum of its proper divisors (574923937).

1145819432399 is an equidigital number, since it uses as much as digits as its factorization.

1145819432399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574923936.

The product of its digits is 8398080, while the sum is 59.

The spelling of 1145819432399 in words is "one trillion, one hundred forty-five billion, eight hundred nineteen million, four hundred thirty-two thousand, three hundred ninety-nine".