13111210064 has 20 divisors (see below), whose sum is σ = 25420168020. Its totient is φ = 6551166720.

The previous prime is 13111209989. The next prime is 13111210093. The reversal of 13111210064 is 46001211131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2873817664 + 10237392400 = 53608^2 + 101180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252959 + ... + 300350.

It is an arithmetic number, because the mean of its divisors is an integer number (1271008401).

Almost surely, 2^13111210064 is an apocalyptic number.

It is an amenable number.

13111210064 is a deficient number, since it is larger than the sum of its proper divisors (12308957956).

13111210064 is a wasteful number, since it uses less digits than its factorization.

13111210064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554798 (or 554792 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13111210064 its reverse (46001211131), we get a palindrome (59112421195).

The spelling of 13111210064 in words is "thirteen billion, one hundred eleven million, two hundred ten thousand, sixty-four".