1110506506665 has 16 divisors (see below), whose sum is σ = 1776942360000. Its totient is φ = 592226153792.

The previous prime is 1110506506661. The next prime is 1110506506667. The reversal of 1110506506665 is 5666056050111.

It is a cyclic number.

It is not a de Polignac number, because 1110506506665 - 2² = 1110506506661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1110506506661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2539710 + ... + 2944679.

It is an arithmetic number, because the mean of its divisors is an integer number (111058897500).

Almost surely, 2^{1110506506665} is an apocalyptic number.

1110506506665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1110506506665 is a deficient number, since it is larger than the sum of its proper divisors (666435853335).

1110506506665 is a wasteful number, since it uses less digits than its factorization.

1110506506665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497896.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1110506506665 in words is "one trillion, one hundred ten billion, five hundred six million, five hundred six thousand, six hundred sixty-five".