11112343020 has 60 divisors (see below), whose sum is σ = 34859836704. Its totient is φ = 2963291040.

The previous prime is 11112343019. The next prime is 11112343129. The reversal of 11112343020 is 2034321111.

11112343020 is a `hidden beast` number, since 111 + 123 + 430 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11112342984 and 11112343002.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3428116 + ... + 3431355.

Almost surely, 2^11112343020 is an apocalyptic number.

11112343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112343020 is an abundant number, since it is smaller than the sum of its proper divisors (23747493684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112343020 is a wasteful number, since it uses less digits than its factorization.

11112343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859492 (or 6859481 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11112343020 its reverse (2034321111), we get a palindrome (13146664131).

The spelling of 11112343020 in words is "eleven billion, one hundred twelve million, three hundred forty-three thousand, twenty".