1116551656617 has 16 divisors (see below), whose sum is σ = 1517389977600. Its totient is φ = 730051018112.

The previous prime is 1116551656613. The next prime is 1116551656643. The reversal of 1116551656617 is 7166561556111.

It is a cyclic number.

It is not a de Polignac number, because 1116551656617 - 2² = 1116551656613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1116551656617.

It is not an unprimeable number, because it can be changed into a prime (1116551656613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879492 + ... + 1733957.

It is an arithmetic number, because the mean of its divisors is an integer number (94836873600).

Almost surely, 2^{1116551656617} is an apocalyptic number.

It is an amenable number.

1116551656617 is a deficient number, since it is larger than the sum of its proper divisors (400838320983).

1116551656617 is a wasteful number, since it uses less digits than its factorization.

1116551656617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616192.

The product of its digits is 1134000, while the sum is 51.

The spelling of 1116551656617 in words is "one trillion, one hundred sixteen billion, five hundred fifty-one million, six hundred fifty-six thousand, six hundred seventeen".