1320517817110 has 32 divisors (see below), whose sum is σ = 2384438127264. Its totient is φ = 526539552000.

The previous prime is 1320517817107. The next prime is 1320517817123. The reversal of 1320517817110 is 117187150231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320517817110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28909890 + ... + 28955530.

It is an arithmetic number, because the mean of its divisors is an integer number (74513691477).

Almost surely, 2^{1320517817110} is an apocalyptic number.

1320517817110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320517817110 is a deficient number, since it is larger than the sum of its proper divisors (1063920310154).

1320517817110 is a wasteful number, since it uses less digits than its factorization.

1320517817110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54720.

The product of its (nonzero) digits is 11760, while the sum is 37.

The spelling of 1320517817110 in words is "one trillion, three hundred twenty billion, five hundred seventeen million, eight hundred seventeen thousand, one hundred ten".