13113111133333 has 32 divisors (see below), whose sum is σ = 14245067612160. Its totient is φ = 12042472538880.

The previous prime is 13113111133307. The next prime is 13113111133403. The reversal of 13113111133333 is 33333111131131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13113111133333 - 2¹³ = 13113111125141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113111130333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42865228 + ... + 43170058.

It is an arithmetic number, because the mean of its divisors is an integer number (445158362880).

Almost surely, 2^{13113111133333} is an apocalyptic number.

It is an amenable number.

13113111133333 is a deficient number, since it is larger than the sum of its proper divisors (1131956478827).

13113111133333 is a wasteful number, since it uses less digits than its factorization.

13113111133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305797.

The product of its digits is 2187, while the sum is 28.

Adding to 13113111133333 its reverse (33333111131131), we get a palindrome (46446222264464).

The spelling of 13113111133333 in words is "thirteen trillion, one hundred thirteen billion, one hundred eleven million, one hundred thirty-three thousand, three hundred thirty-three".