13120111043 has 8 divisors (see below), whose sum is σ = 14181879600. Its totient is φ = 12065846688.

The previous prime is 13120111033. The next prime is 13120111073. The reversal of 13120111043 is 34011102131.

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

It is a cyclic number.

It is not a de Polignac number, because 13120111043 - 2⁴ = 13120111027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120111003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872413 + ... + 1879406.

It is an arithmetic number, because the mean of its divisors is an integer number (1772734950).

Almost surely, 2^13120111043 is an apocalyptic number.

13120111043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13120111043 is a deficient number, since it is larger than the sum of its proper divisors (1061768557).

13120111043 is a wasteful number, since it uses less digits than its factorization.

13120111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752101.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13120111043 its reverse (34011102131), we get a palindrome (47131213174).

The spelling of 13120111043 in words is "thirteen billion, one hundred twenty million, one hundred eleven thousand, forty-three".