1116661010549 has 32 divisors (see below), whose sum is σ = 1371654429696. Its totient is φ = 887239837440.

The previous prime is 1116661010501. The next prime is 1116661010593. The reversal of 1116661010549 is 9450101666111.

It is a cyclic number.

It is not a de Polignac number, because 1116661010549 - 2²⁰ = 1116659961973 is a prime.

It is a super-3 number, since 3×1116661010549³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116661012549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85870682 + ... + 85883684.

It is an arithmetic number, because the mean of its divisors is an integer number (42864200928).

Almost surely, 2^{1116661010549} is an apocalyptic number.

It is an amenable number.

1116661010549 is a deficient number, since it is larger than the sum of its proper divisors (254993419147).

1116661010549 is a wasteful number, since it uses less digits than its factorization.

1116661010549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23865.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 1116661010549 in words is "one trillion, one hundred sixteen billion, six hundred sixty-one million, ten thousand, five hundred forty-nine".