11452405399 has 4 divisors (see below), whose sum is σ = 11847315960. Its totient is φ = 11057494840.

The previous prime is 11452405381. The next prime is 11452405421. The reversal of 11452405399 is 99350425411.

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 11452405399 - 2²³ = 11444016791 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 (11452405499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197455237 + ... + 197455294.

It is an arithmetic number, because the mean of its divisors is an integer number (2961828990).

Almost surely, 2^11452405399 is an apocalyptic number.

11452405399 is a deficient number, since it is larger than the sum of its proper divisors (394910561).

11452405399 is an equidigital number, since it uses as much as digits as its factorization.

11452405399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394910560.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11452405399 in words is "eleven billion, four hundred fifty-two million, four hundred five thousand, three hundred ninety-nine".