13111140033421 has 24 divisors (see below), whose sum is σ = 14155459323264. Its totient is φ = 12136564670400.

The previous prime is 13111140033403. The next prime is 13111140033427. The reversal of 13111140033421 is 12433004111131.

It is not a de Polignac number, because 13111140033421 - 2⁹ = 13111140032909 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 (13111140033427) 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 23 ways as a sum of consecutive naturals, for example, 9554286 + ... + 10840048.

It is an arithmetic number, because the mean of its divisors is an integer number (589810805136).

Almost surely, 2^{13111140033421} is an apocalyptic number.

It is an amenable number.

13111140033421 is a deficient number, since it is larger than the sum of its proper divisors (1044319289843).

13111140033421 is a wasteful number, since it uses less digits than its factorization.

13111140033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286449 (or 1286430 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 13111140033421 its reverse (12433004111131), we get a palindrome (25544144144552).

The spelling of 13111140033421 in words is "thirteen trillion, one hundred eleven billion, one hundred forty million, thirty-three thousand, four hundred twenty-one".