2251336113 has 40 divisors (see below), whose sum is σ = 3634666728. Its totient is φ = 1380519936.

The previous prime is 2251336099. The next prime is 2251336141. The reversal of 2251336113 is 3116331522.

2251336113 is a `hidden beast` number, since 2 + 2 + 513 + 36 + 113 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 327899664 + 1923436449 = 18108^2 + 43857^2 .

It is not a de Polignac number, because 2251336113 - 2⁴ = 2251336097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2251336183) by changing a digit.

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 in 39 ways as a sum of consecutive naturals, for example, 304881 + ... + 312177.

Almost surely, 2^2251336113 is an apocalyptic number.

It is an amenable number.

2251336113 is a deficient number, since it is larger than the sum of its proper divisors (1383330615).

2251336113 is a wasteful number, since it uses less digits than its factorization.

2251336113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615 (or 7606 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2251336113 is about 47448.2466799354. The cubic root of 2251336113 is about 1310.6300240495.

Adding to 2251336113 its reverse (3116331522), we get a palindrome (5367667635).

The spelling of 2251336113 in words is "two billion, two hundred fifty-one million, three hundred thirty-six thousand, one hundred thirteen".