113512003 has 32 divisors (see below), whose sum is σ = 133954560. Its totient is φ = 95208960.

The previous prime is 113512001. The next prime is 113512037. The reversal of 113512003 is 300215311.

It is not a de Polignac number, because 113512003 - 2¹ = 113512001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113512001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1004475 + ... + 1004587.

It is an arithmetic number, because the mean of its divisors is an integer number (4186080).

Almost surely, 2^113512003 is an apocalyptic number.

113512003 is a deficient number, since it is larger than the sum of its proper divisors (20442557).

113512003 is a wasteful number, since it uses less digits than its factorization.

113512003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 113512003 is about 10654.2011901409. The cubic root of 113512003 is about 484.1878966178.

Adding to 113512003 its reverse (300215311), we get a palindrome (413727314).

The spelling of 113512003 in words is "one hundred thirteen million, five hundred twelve thousand, three".