13111203331142 has 64 divisors (see below), whose sum is σ = 23794748782080. Its totient is φ = 5292958784256.

The previous prime is 13111203331117. The next prime is 13111203331183. The reversal of 13111203331142 is 24113330211131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32855093 + ... + 33251759.

It is an arithmetic number, because the mean of its divisors is an integer number (371792949720).

Almost surely, 2^{13111203331142} is an apocalyptic number.

13111203331142 is a deficient number, since it is larger than the sum of its proper divisors (10683545450938).

13111203331142 is a wasteful number, since it uses less digits than its factorization.

13111203331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397405.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 13111203331142 its reverse (24113330211131), we get a palindrome (37224533542273).

The spelling of 13111203331142 in words is "thirteen trillion, one hundred eleven billion, two hundred three million, three hundred thirty-one thousand, one hundred forty-two".