13842215025509 has 32 divisors (see below), whose sum is σ = 16294518503424. Its totient is φ = 11636830679040.

The previous prime is 13842215025437. The next prime is 13842215025521. The reversal of 13842215025509 is 90552051224831.

It is a cyclic number.

It is not a de Polignac number, because 13842215025509 - 2²⁰ = 13842213976933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13842215025109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80639597 + ... + 80811069.

It is an arithmetic number, because the mean of its divisors is an integer number (509203703232).

Almost surely, 2^{13842215025509} is an apocalyptic number.

It is an amenable number.

13842215025509 is a deficient number, since it is larger than the sum of its proper divisors (2452303477915).

13842215025509 is a wasteful number, since it uses less digits than its factorization.

13842215025509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183317.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 13842215025509 in words is "thirteen trillion, eight hundred forty-two billion, two hundred fifteen million, twenty-five thousand, five hundred nine".