13111044134 has 4 divisors (see below), whose sum is σ = 19666566204. Its totient is φ = 6555522066.

The previous prime is 13111044109. The next prime is 13111044139. The reversal of 13111044134 is 43144011131.

13111044134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111044139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277761032 + ... + 3277761035.

It is an arithmetic number, because the mean of its divisors is an integer number (4916641551).

Almost surely, 2^13111044134 is an apocalyptic number.

13111044134 is a deficient number, since it is larger than the sum of its proper divisors (6555522070).

13111044134 is an equidigital number, since it uses as much as digits as its factorization.

13111044134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555522069.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13111044134 its reverse (43144011131), we get a palindrome (56255055265).

The spelling of 13111044134 in words is "thirteen billion, one hundred eleven million, forty-four thousand, one hundred thirty-four".