13111103404142 has 16 divisors (see below), whose sum is σ = 19775664981072. Its totient is φ = 6519216375360.

The previous prime is 13111103404129. The next prime is 13111103404153. The reversal of 13111103404142 is 24140430111131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22031993 + ... + 22619259.

It is an arithmetic number, because the mean of its divisors is an integer number (1235979061317).

Almost surely, 2^{13111103404142} is an apocalyptic number.

13111103404142 is a deficient number, since it is larger than the sum of its proper divisors (6664561576930).

13111103404142 is a wasteful number, since it uses less digits than its factorization.

13111103404142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649123.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 13111103404142 its reverse (24140430111131), we get a palindrome (37251533515273).

The spelling of 13111103404142 in words is "thirteen trillion, one hundred eleven billion, one hundred three million, four hundred four thousand, one hundred forty-two".