13685401112 has 24 divisors (see below), whose sum is σ = 26514589500. Its totient is φ = 6621964560.

The previous prime is 13685401099. The next prime is 13685401117. The reversal of 13685401112 is 21110458631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685401117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 882362 + ... + 897737.

Almost surely, 2^13685401112 is an apocalyptic number.

It is an amenable number.

13685401112 is a deficient number, since it is larger than the sum of its proper divisors (12829188388).

13685401112 is a wasteful number, since it uses less digits than its factorization.

13685401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780167 (or 1780132 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 13685401112 its reverse (21110458631), we get a palindrome (34795859743).

The spelling of 13685401112 in words is "thirteen billion, six hundred eighty-five million, four hundred one thousand, one hundred twelve".