51110099 has 2 divisors, whose sum is σ = 51110100. Its totient is φ = 51110098.

The previous prime is 51110089. The next prime is 51110123. The reversal of 51110099 is 99001115.

It is a happy number.

51110099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51110099 - 2¹⁶ = 51044563 is a prime.

It is a super-2 number, since 2×51110099² = 5224484439579602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51110029) 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 as a sum of consecutive naturals, namely, 25555049 + 25555050.

It is an arithmetic number, because the mean of its divisors is an integer number (25555050).

Almost surely, 2^51110099 is an apocalyptic number.

51110099 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110099 is an equidigital number, since it uses as much as digits as its factorization.

51110099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 51110099 is about 7149.1327446062. The cubic root of 51110099 is about 371.1096442154.

The spelling of 51110099 in words is "fifty-one million, one hundred ten thousand, ninety-nine".