115242505219 has 2 divisors, whose sum is σ = 115242505220. Its totient is φ = 115242505218.

The previous prime is 115242505207. The next prime is 115242505241. The reversal of 115242505219 is 912505242511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115242505219 is a prime.

It is a super-2 number, since 2×115242505219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115242505619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57621252609 + 57621252610.

It is an arithmetic number, because the mean of its divisors is an integer number (57621252610).

Almost surely, 2^115242505219 is an apocalyptic number.

115242505219 is a deficient number, since it is larger than the sum of its proper divisors (1).

115242505219 is an equidigital number, since it uses as much as digits as its factorization.

115242505219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 115242505219 in words is "one hundred fifteen billion, two hundred forty-two million, five hundred five thousand, two hundred nineteen".