112111111503 has 8 divisors (see below), whose sum is σ = 166090535600. Its totient is φ = 74740740984.

The previous prime is 112111111499. The next prime is 112111111537. The reversal of 112111111503 is 305111111211.

It is not a de Polignac number, because 112111111503 - 2² = 112111111499 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 (112111111543) 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, 2076131668 + ... + 2076131721.

It is an arithmetic number, because the mean of its divisors is an integer number (20761316950).

Almost surely, 2^112111111503 is an apocalyptic number.

112111111503 is a deficient number, since it is larger than the sum of its proper divisors (53979424097).

112111111503 is an equidigital number, since it uses as much as digits as its factorization.

112111111503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152263398 (or 4152263392 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 112111111503 its reverse (305111111211), we get a palindrome (417222222714).

The spelling of 112111111503 in words is "one hundred twelve billion, one hundred eleven million, one hundred eleven thousand, five hundred three".