1065511100555 has 8 divisors (see below), whose sum is σ = 1394850895344. Its totient is φ = 774917164000.

The previous prime is 1065511100527. The next prime is 1065511100569. The reversal of 1065511100555 is 5550011155601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1065511100555 - 2¹⁰ = 1065511099531 is a prime.

It is a super-2 number, since 2×1065511100555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9686464496 + ... + 9686464605.

It is an arithmetic number, because the mean of its divisors is an integer number (174356361918).

Almost surely, 2^{1065511100555} is an apocalyptic number.

1065511100555 is a deficient number, since it is larger than the sum of its proper divisors (329339794789).

1065511100555 is a wasteful number, since it uses less digits than its factorization.

1065511100555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19372929117.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1065511100555 in words is "one trillion, sixty-five billion, five hundred eleven million, one hundred thousand, five hundred fifty-five".