28113119 has 2 divisors, whose sum is σ = 28113120. Its totient is φ = 28113118.

The previous prime is 28113109. The next prime is 28113143. The reversal of 28113119 is 91131182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28113119 - 2¹² = 28109023 is a prime.

It is a super-2 number, since 2×28113119² = 1580694919816322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28113109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14056559 + 14056560.

It is an arithmetic number, because the mean of its divisors is an integer number (14056560).

Almost surely, 2^28113119 is an apocalyptic number.

28113119 is a deficient number, since it is larger than the sum of its proper divisors (1).

28113119 is an equidigital number, since it uses as much as digits as its factorization.

28113119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 26.

The square root of 28113119 is about 5302.1805891539. The cubic root of 28113119 is about 304.0672714410.

The spelling of 28113119 in words is "twenty-eight million, one hundred thirteen thousand, one hundred nineteen".