11405321540105 has 16 divisors (see below), whose sum is σ = 14506090550784. Its totient is φ = 8578870629120.

The previous prime is 11405321540099. The next prime is 11405321540147. The reversal of 11405321540105 is 50104512350411.

It is not a de Polignac number, because 11405321540105 - 2⁸ = 11405321539849 is a prime.

It is a super-2 number, since 2×11405321540105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67615187 + ... + 67783656.

It is an arithmetic number, because the mean of its divisors is an integer number (906630659424).

Almost surely, 2^{11405321540105} is an apocalyptic number.

It is an amenable number.

11405321540105 is a deficient number, since it is larger than the sum of its proper divisors (3100769010679).

11405321540105 is a wasteful number, since it uses less digits than its factorization.

11405321540105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135399856.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 11405321540105 its reverse (50104512350411), we get a palindrome (61509833890516).

The spelling of 11405321540105 in words is "eleven trillion, four hundred five billion, three hundred twenty-one million, five hundred forty thousand, one hundred five".