112503513 has 4 divisors (see below), whose sum is σ = 150004688. Its totient is φ = 75002340.

The previous prime is 112503509. The next prime is 112503529. The reversal of 112503513 is 315305211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112503513 - 2² = 112503509 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 112503513.

It is not an unprimeable number, because it can be changed into a prime (112503563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18750583 + ... + 18750588.

It is an arithmetic number, because the mean of its divisors is an integer number (37501172).

Almost surely, 2^112503513 is an apocalyptic number.

It is an amenable number.

112503513 is a deficient number, since it is larger than the sum of its proper divisors (37501175).

112503513 is an equidigital number, since it uses as much as digits as its factorization.

112503513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37501174.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 112503513 is about 10606.7673209136. The cubic root of 112503513 is about 482.7497170864.

Adding to 112503513 its reverse (315305211), we get a palindrome (427808724).

The spelling of 112503513 in words is "one hundred twelve million, five hundred three thousand, five hundred thirteen".