11800273109 has 2 divisors, whose sum is σ = 11800273110. Its totient is φ = 11800273108.

The previous prime is 11800272983. The next prime is 11800273141. The reversal of 11800273109 is 90137200811.

It is an a-pointer prime, because the next prime (11800273141) can be obtained adding 11800273109 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10090202500 + 1710070609 = 100450^2 + 41353^2 .

It is a cyclic number.

It is not a de Polignac number, because 11800273109 - 2³² = 7505305813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11800273169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5900136554 + 5900136555.

It is an arithmetic number, because the mean of its divisors is an integer number (5900136555).

Almost surely, 2^11800273109 is an apocalyptic number.

It is an amenable number.

11800273109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800273109 is an equidigital number, since it uses as much as digits as its factorization.

11800273109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 11800273109 in words is "eleven billion, eight hundred million, two hundred seventy-three thousand, one hundred nine".