12311453405 has 8 divisors (see below), whose sum is σ = 15015936984. Its totient is φ = 9687700800.

The previous prime is 12311453387. The next prime is 12311453443. The reversal of 12311453405 is 50435411321.

It can be written as a sum of positive squares in 4 ways, for example, as 109599961 + 12201853444 = 10469^2 + 110462^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12311453405 - 2¹⁰ = 12311452381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20182406 + ... + 20183015.

It is an arithmetic number, because the mean of its divisors is an integer number (1876992123).

Almost surely, 2^12311453405 is an apocalyptic number.

It is an amenable number.

12311453405 is a deficient number, since it is larger than the sum of its proper divisors (2704483579).

12311453405 is an equidigital number, since it uses as much as digits as its factorization.

12311453405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40365487.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12311453405 its reverse (50435411321), we get a palindrome (62746864726).

The spelling of 12311453405 in words is "twelve billion, three hundred eleven million, four hundred fifty-three thousand, four hundred five".