1217604544116 has 24 divisors (see below), whose sum is σ = 2844529391424. Its totient is φ = 405375021120.

The previous prime is 1217604544103. The next prime is 1217604544141. The reversal of 1217604544116 is 6114454067121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61634745 + ... + 61654496.

It is an arithmetic number, because the mean of its divisors is an integer number (118522057976).

Almost surely, 2^{1217604544116} is an apocalyptic number.

It is an amenable number.

1217604544116 is an abundant number, since it is smaller than the sum of its proper divisors (1626924847308).

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

1217604544116 is a wasteful number, since it uses less digits than its factorization.

1217604544116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123290071 (or 123290069 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 1217604544116 in words is "one trillion, two hundred seventeen billion, six hundred four million, five hundred forty-four thousand, one hundred sixteen".