13375645775 has 12 divisors (see below), whose sum is σ = 16898742072. Its totient is φ = 10498619040.

The previous prime is 13375645771. The next prime is 13375645807. The reversal of 13375645775 is 57754657331.

It is a happy number.

It is not a de Polignac number, because 13375645775 - 2² = 13375645771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375645771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5046089 + ... + 5048738.

It is an arithmetic number, because the mean of its divisors is an integer number (1408228506).

Almost surely, 2^13375645775 is an apocalyptic number.

13375645775 is a deficient number, since it is larger than the sum of its proper divisors (3523096297).

13375645775 is a wasteful number, since it uses less digits than its factorization.

13375645775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094890 (or 10094885 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 53.

The spelling of 13375645775 in words is "thirteen billion, three hundred seventy-five million, six hundred forty-five thousand, seven hundred seventy-five".