13111111004 has 12 divisors (see below), whose sum is σ = 23735632200. Its totient is φ = 6329501808.

The previous prime is 13111110989. The next prime is 13111111007. The reversal of 13111111004 is 40011111131.

It is a happy number.

It is a super-3 number, since 3×13111111004³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13111111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111111007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56513294 + ... + 56513525.

It is an arithmetic number, because the mean of its divisors is an integer number (1977969350).

Almost surely, 2^13111111004 is an apocalyptic number.

It is an amenable number.

13111111004 is a deficient number, since it is larger than the sum of its proper divisors (10624521196).

13111111004 is a wasteful number, since it uses less digits than its factorization.

13111111004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113026852 (or 113026850 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 13111111004 its reverse (40011111131), we get a palindrome (53122222135).

The spelling of 13111111004 in words is "thirteen billion, one hundred eleven million, one hundred eleven thousand, four".