11342320405 has 8 divisors (see below), whose sum is σ = 14657767992. Its totient is φ = 8375867328.

The previous prime is 11342320397. The next prime is 11342320411. The reversal of 11342320405 is 50402324311.

It can be written as a sum of positive squares in 4 ways, for example, as 50495236 + 11291825169 = 7106^2 + 106263^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11342320405 - 2³ = 11342320397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11342320405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87248554 + ... + 87248683.

It is an arithmetic number, because the mean of its divisors is an integer number (1832220999).

Almost surely, 2^11342320405 is an apocalyptic number.

It is an amenable number.

11342320405 is a deficient number, since it is larger than the sum of its proper divisors (3315447587).

11342320405 is a wasteful number, since it uses less digits than its factorization.

11342320405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174497255.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 11342320405 its reverse (50402324311), we get a palindrome (61744644716).

The spelling of 11342320405 in words is "eleven billion, three hundred forty-two million, three hundred twenty thousand, four hundred five".