11513016166405 has 32 divisors (see below), whose sum is σ = 14976391046400. Its totient is φ = 8446034488320.

The previous prime is 11513016166397. The next prime is 11513016166409. The reversal of 11513016166405 is 50466161031511.

It is a happy number.

It is not a de Polignac number, because 11513016166405 - 2³ = 11513016166397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11513016166409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7625085 + ... + 9009325.

It is an arithmetic number, because the mean of its divisors is an integer number (468012220200).

Almost surely, 2^{11513016166405} is an apocalyptic number.

It is an amenable number.

11513016166405 is a deficient number, since it is larger than the sum of its proper divisors (3463374879995).

11513016166405 is a wasteful number, since it uses less digits than its factorization.

11513016166405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385101.

The product of its (nonzero) digits is 64800, while the sum is 40.

Adding to 11513016166405 its reverse (50466161031511), we get a palindrome (61979177197916).

The spelling of 11513016166405 in words is "eleven trillion, five hundred thirteen billion, sixteen million, one hundred sixty-six thousand, four hundred five".