2113045504 has 22 divisors (see below), whose sum is σ = 4224029534. Its totient is φ = 1056522240.

The previous prime is 2113045483. The next prime is 2113045547. The reversal of 2113045504 is 4055403112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1161446400 + 951599104 = 34080^2 + 30848^2 .

It is a super-3 number, since 3×2113045504³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030737 + ... + 1032784.

Almost surely, 2^2113045504 is an apocalyptic number.

It is an amenable number.

2113045504 is a deficient number, since it is larger than the sum of its proper divisors (2110984030).

2113045504 is an equidigital number, since it uses as much as digits as its factorization.

2113045504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063541 (or 2063523 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2113045504 is about 45967.8746952695. The cubic root of 2113045504 is about 1283.2254072991.

Adding to 2113045504 its reverse (4055403112), we get a palindrome (6168448616).

The spelling of 2113045504 in words is "two billion, one hundred thirteen million, forty-five thousand, five hundred four".