115827144109 has 2 divisors, whose sum is σ = 115827144110. Its totient is φ = 115827144108.

The previous prime is 115827144023. The next prime is 115827144127. The reversal of 115827144109 is 901441728511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94373683209 + 21453460900 = 307203^2 + 146470^2 .

It is a cyclic number.

It is not a de Polignac number, because 115827144109 - 2¹¹ = 115827142061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115827144149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57913572054 + 57913572055.

It is an arithmetic number, because the mean of its divisors is an integer number (57913572055).

Almost surely, 2^115827144109 is an apocalyptic number.

It is an amenable number.

115827144109 is a deficient number, since it is larger than the sum of its proper divisors (1).

115827144109 is an equidigital number, since it uses as much as digits as its factorization.

115827144109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 115827144109 in words is "one hundred fifteen billion, eight hundred twenty-seven million, one hundred forty-four thousand, one hundred nine".