1112603513 has 4 divisors (see below), whose sum is σ = 1271546880. Its totient is φ = 953660148.

The previous prime is 1112603509. The next prime is 1112603519. The reversal of 1112603513 is 3153062111.

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 1112603513 - 2² = 1112603509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112603519) 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, 79471673 + ... + 79471686.

It is an arithmetic number, because the mean of its divisors is an integer number (317886720).

Almost surely, 2^1112603513 is an apocalyptic number.

It is an amenable number.

1112603513 is a deficient number, since it is larger than the sum of its proper divisors (158943367).

1112603513 is an equidigital number, since it uses as much as digits as its factorization.

1112603513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158943366.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1112603513 is about 33355.7118496967. The cubic root of 1112603513 is about 1036.2076851534.

Adding to 1112603513 its reverse (3153062111), we get a palindrome (4265665624).

The spelling of 1112603513 in words is "one billion, one hundred twelve million, six hundred three thousand, five hundred thirteen".