11112111983 has 8 divisors (see below), whose sum is σ = 12710140320. Its totient is φ = 9516729600.

The previous prime is 11112111937. The next prime is 11112112001. The reversal of 11112111983 is 38911121111.

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

It is not a de Polignac number, because 11112111983 - 2¹² = 11112107887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112111083) 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, 652478 + ... + 669291.

It is an arithmetic number, because the mean of its divisors is an integer number (1588767540).

Almost surely, 2^11112111983 is an apocalyptic number.

11112111983 is a deficient number, since it is larger than the sum of its proper divisors (1598028337).

11112111983 is a wasteful number, since it uses less digits than its factorization.

11112111983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322977.

The product of its digits is 432, while the sum is 29.

The spelling of 11112111983 in words is "eleven billion, one hundred twelve million, one hundred eleven thousand, nine hundred eighty-three".