115312112287 has 2 divisors, whose sum is σ = 115312112288. Its totient is φ = 115312112286.

The previous prime is 115312112239. The next prime is 115312112291. The reversal of 115312112287 is 782211213511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115312112287 - 2¹⁹ = 115311587999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115312112207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57656056143 + 57656056144.

It is an arithmetic number, because the mean of its divisors is an integer number (57656056144).

Almost surely, 2^115312112287 is an apocalyptic number.

115312112287 is a deficient number, since it is larger than the sum of its proper divisors (1).

115312112287 is an equidigital number, since it uses as much as digits as its factorization.

115312112287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 34.

Adding to 115312112287 its reverse (782211213511), we get a palindrome (897523325798).

The spelling of 115312112287 in words is "one hundred fifteen billion, three hundred twelve million, one hundred twelve thousand, two hundred eighty-seven".