13405424330511 has 12 divisors (see below), whose sum is σ = 20502413682192. Its totient is φ = 8411246638656.

The previous prime is 13405424330491. The next prime is 13405424330561. The reversal of 13405424330511 is 11503342450431.

13405424330511 is a `hidden beast` number, since 1 + 3 + 40 + 54 + 24 + 3 + 30 + 511 = 666.

It is not a de Polignac number, because 13405424330511 - 2¹¹ = 13405424328463 is a prime.

It is a super-2 number, since 2×13405424330511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405424330561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43808576091 + ... + 43808576396.

It is an arithmetic number, because the mean of its divisors is an integer number (1708534473516).

Almost surely, 2^{13405424330511} is an apocalyptic number.

13405424330511 is a deficient number, since it is larger than the sum of its proper divisors (7096989351681).

13405424330511 is a wasteful number, since it uses less digits than its factorization.

13405424330511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87617152510 (or 87617152507 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13405424330511 its reverse (11503342450431), we get a palindrome (24908766780942).

The spelling of 13405424330511 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, three hundred thirty thousand, five hundred eleven".