240113055209 has 2 divisors, whose sum is σ = 240113055210. Its totient is φ = 240113055208.

The previous prime is 240113055179. The next prime is 240113055251. The reversal of 240113055209 is 902550311042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124820890000 + 115292165209 = 353300^2 + 339547^2 .

It is a cyclic number.

It is not a de Polignac number, because 240113055209 - 2¹⁶ = 240112989673 is a prime.

It is not a weakly prime, because it can be changed into another prime (240113055269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120056527604 + 120056527605.

It is an arithmetic number, because the mean of its divisors is an integer number (120056527605).

Almost surely, 2^240113055209 is an apocalyptic number.

It is an amenable number.

240113055209 is a deficient number, since it is larger than the sum of its proper divisors (1).

240113055209 is an equidigital number, since it uses as much as digits as its factorization.

240113055209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 240113055209 in words is "two hundred forty billion, one hundred thirteen million, fifty-five thousand, two hundred nine".