13111739512 has 16 divisors (see below), whose sum is σ = 24747325200. Its totient is φ = 6512452800.

The previous prime is 13111739471. The next prime is 13111739539. The reversal of 13111739512 is 21593711131.

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, 5425837 + ... + 5428252.

It is an arithmetic number, because the mean of its divisors is an integer number (1546707825).

Almost surely, 2^13111739512 is an apocalyptic number.

It is an amenable number.

13111739512 is a deficient number, since it is larger than the sum of its proper divisors (11635585688).

13111739512 is a wasteful number, since it uses less digits than its factorization.

13111739512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854246 (or 10854242 counting only the distinct ones).

The product of its digits is 5670, while the sum is 34.

The spelling of 13111739512 in words is "thirteen billion, one hundred eleven million, seven hundred thirty-nine thousand, five hundred twelve".