13765018056 has 32 divisors (see below), whose sum is σ = 34746653760. Its totient is φ = 4543791552.

The previous prime is 13765018051. The next prime is 13765018079. The reversal of 13765018056 is 65081056731.

It is a junction number, because it is equal to n+sod(n) for n = 13765017999 and 13765018017.

It is not an unprimeable number, because it can be changed into a prime (13765018051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781715 + ... + 2786658.

It is an arithmetic number, because the mean of its divisors is an integer number (1085832930).

Almost surely, 2^13765018056 is an apocalyptic number.

It is an amenable number.

13765018056 is an abundant number, since it is smaller than the sum of its proper divisors (20981635704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13765018056 is a wasteful number, since it uses less digits than its factorization.

13765018056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568485 (or 5568481 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 13765018056 in words is "thirteen billion, seven hundred sixty-five million, eighteen thousand, fifty-six".