12562553481368 has 64 divisors (see below), whose sum is σ = 26882928414720. Its totient is φ = 5452445651200.

The previous prime is 12562553481347. The next prime is 12562553481389. The reversal of 12562553481368 is 86318435526521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12562553481347) and next prime (12562553481389).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36871496 + ... + 37210647.

It is an arithmetic number, because the mean of its divisors is an integer number (420045756480).

Almost surely, 2^{12562553481368} is an apocalyptic number.

It is an amenable number.

12562553481368 is an abundant number, since it is smaller than the sum of its proper divisors (14320374933352).

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

12562553481368 is a wasteful number, since it uses less digits than its factorization.

12562553481368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74082248 (or 74082244 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 59.

The spelling of 12562553481368 in words is "twelve trillion, five hundred sixty-two billion, five hundred fifty-three million, four hundred eighty-one thousand, three hundred sixty-eight".