13811347412 has 24 divisors (see below), whose sum is σ = 24812979072. Its totient is φ = 6722654400.

The previous prime is 13811347397. The next prime is 13811347481. The reversal of 13811347412 is 21474311831.

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, 15014 + ... + 166877.

It is an arithmetic number, because the mean of its divisors is an integer number (1033874128).

Almost surely, 2^13811347412 is an apocalyptic number.

It is an amenable number.

13811347412 is a deficient number, since it is larger than the sum of its proper divisors (11001631660).

13811347412 is a wasteful number, since it uses less digits than its factorization.

13811347412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182399 (or 182397 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The spelling of 13811347412 in words is "thirteen billion, eight hundred eleven million, three hundred forty-seven thousand, four hundred twelve".