1217604544115 has 16 divisors (see below), whose sum is σ = 1525661899776. Its totient is φ = 931115407200.

The previous prime is 1217604544103. The next prime is 1217604544141. The reversal of 1217604544115 is 5114454067121.

It is not a de Polignac number, because 1217604544115 - 2¹⁴ = 1217604527731 is a prime.

It is a super-2 number, since 2×1217604544115² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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, 3329831 + ... + 3677360.

It is an arithmetic number, because the mean of its divisors is an integer number (95353868736).

Almost surely, 2^{1217604544115} is an apocalyptic number.

1217604544115 is a deficient number, since it is larger than the sum of its proper divisors (308057355661).

1217604544115 is a wasteful number, since it uses less digits than its factorization.

1217604544115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008730.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 1217604544115 in words is "one trillion, two hundred seventeen billion, six hundred four million, five hundred forty-four thousand, one hundred fifteen".