2113133504 has 14 divisors (see below), whose sum is σ = 4193249424. Its totient is φ = 1056566720.

The previous prime is 2113133501. The next prime is 2113133509. The reversal of 2113133504 is 4053313112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113133504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113133501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16508792 + ... + 16508919.

It is an arithmetic number, because the mean of its divisors is an integer number (299517816).

Almost surely, 2^2113133504 is an apocalyptic number.

It is an amenable number.

2113133504 is a deficient number, since it is larger than the sum of its proper divisors (2080115920).

2113133504 is an equidigital number, since it uses as much as digits as its factorization.

2113133504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017723 (or 33017713 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2113133504 is about 45968.8318755219. The cubic root of 2113133504 is about 1283.2432208086.

Adding to 2113133504 its reverse (4053313112), we get a palindrome (6166446616).

The spelling of 2113133504 in words is "two billion, one hundred thirteen million, one hundred thirty-three thousand, five hundred four".