1165506056110 has 16 divisors (see below), whose sum is σ = 2288630074032. Its totient is φ = 423820384000.

The previous prime is 1165506056089. The next prime is 1165506056137. The reversal of 1165506056110 is 116506055611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165506056110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297754691 + ... + 5297754910.

It is an arithmetic number, because the mean of its divisors is an integer number (143039379627).

Almost surely, 2^{1165506056110} is an apocalyptic number.

1165506056110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165506056110 is a deficient number, since it is larger than the sum of its proper divisors (1123124017922).

1165506056110 is a wasteful number, since it uses less digits than its factorization.

1165506056110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595509619.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1165506056110 in words is "one trillion, one hundred sixty-five billion, five hundred six million, fifty-six thousand, one hundred ten".