180512099 has 2 divisors, whose sum is σ = 180512100. Its totient is φ = 180512098.

The previous prime is 180512089. The next prime is 180512107. The reversal of 180512099 is 990215081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180512099 - 2⁴ = 180512083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (180512029) 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, 90256049 + 90256050.

It is an arithmetic number, because the mean of its divisors is an integer number (90256050).

Almost surely, 2^180512099 is an apocalyptic number.

180512099 is a deficient number, since it is larger than the sum of its proper divisors (1).

180512099 is an equidigital number, since it uses as much as digits as its factorization.

180512099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 180512099 is about 13435.4791131541. The cubic root of 180512099 is about 565.1565588019.

The spelling of 180512099 in words is "one hundred eighty million, five hundred twelve thousand, ninety-nine".