1116661006550 has 48 divisors (see below), whose sum is σ = 2175807614400. Its totient is φ = 425803123200.

The previous prime is 1116661006543. The next prime is 1116661006589. The reversal of 1116661006550 is 556001666111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4759571 + ... + 4988670.

It is an arithmetic number, because the mean of its divisors is an integer number (45329325300).

Almost surely, 2^{1116661006550} is an apocalyptic number.

1116661006550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1116661006550 is a deficient number, since it is larger than the sum of its proper divisors (1059146607850).

1116661006550 is a wasteful number, since it uses less digits than its factorization.

1116661006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748361 (or 9748356 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1116661006550 in words is "one trillion, one hundred sixteen billion, six hundred sixty-one million, six thousand, five hundred fifty".