1320011112043 has 16 divisors (see below), whose sum is σ = 1441270526976. Its totient is φ = 1201670992800.

The previous prime is 1320011112011. The next prime is 1320011112179. The reversal of 1320011112043 is 3402111100231.

It is a cyclic number.

It is not a de Polignac number, because 1320011112043 - 2⁵ = 1320011112011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320011112043.

It is not an unprimeable number, because it can be changed into a prime (1320011115043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1817533 + ... + 2437918.

It is an arithmetic number, because the mean of its divisors is an integer number (90079407936).

Almost surely, 2^{1320011112043} is an apocalyptic number.

1320011112043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320011112043 is a deficient number, since it is larger than the sum of its proper divisors (121259414933).

1320011112043 is a wasteful number, since it uses less digits than its factorization.

1320011112043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255794.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1320011112043 its reverse (3402111100231), we get a palindrome (4722122212274).

The spelling of 1320011112043 in words is "one trillion, three hundred twenty billion, eleven million, one hundred twelve thousand, forty-three".