13542216569072 has 20 divisors (see below), whose sum is σ = 26384625862920. Its totient is φ = 6733280862528.

The previous prime is 13542216569047. The next prime is 13542216569081. The reversal of 13542216569072 is 27096561224531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364210923 + ... + 2364216650.

It is an arithmetic number, because the mean of its divisors is an integer number (1319231293146).

Almost surely, 2^{13542216569072} is an apocalyptic number.

It is an amenable number.

13542216569072 is a deficient number, since it is larger than the sum of its proper divisors (12842409293848).

13542216569072 is a wasteful number, since it uses less digits than its factorization.

13542216569072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728427760 (or 4728427754 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 13542216569072 in words is "thirteen trillion, five hundred forty-two billion, two hundred sixteen million, five hundred sixty-nine thousand, seventy-two".