11405410013 has 4 divisors (see below), whose sum is σ = 11405757660. Its totient is φ = 11405062368.

The previous prime is 11405409997. The next prime is 11405410021. The reversal of 11405410013 is 31001450411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31001450411 = 223 ⋅139019957.

It can be written as a sum of positive squares in 2 ways, for example, as 9534155449 + 1871254564 = 97643^2 + 43258^2 .

It is a cyclic number.

It is not a de Polignac number, because 11405410013 - 2⁴ = 11405409997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405410033) 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, 118808 + ... + 192161.

It is an arithmetic number, because the mean of its divisors is an integer number (2851439415).

Almost surely, 2^11405410013 is an apocalyptic number.

It is an amenable number.

11405410013 is a deficient number, since it is larger than the sum of its proper divisors (347647).

11405410013 is an equidigital number, since it uses as much as digits as its factorization.

11405410013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347646.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11405410013 its reverse (31001450411), we get a palindrome (42406860424).

The spelling of 11405410013 in words is "eleven billion, four hundred five million, four hundred ten thousand, thirteen".