27131115299 has 2 divisors, whose sum is σ = 27131115300. Its totient is φ = 27131115298.

The previous prime is 27131115257. The next prime is 27131115313. The reversal of 27131115299 is 99251113172.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27131115299 is a prime.

It is not a weakly prime, because it can be changed into another prime (27131115229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13565557649 + 13565557650.

It is an arithmetic number, because the mean of its divisors is an integer number (13565557650).

Almost surely, 2^27131115299 is an apocalyptic number.

27131115299 is a deficient number, since it is larger than the sum of its proper divisors (1).

27131115299 is an equidigital number, since it uses as much as digits as its factorization.

27131115299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 41.

The spelling of 27131115299 in words is "twenty-seven billion, one hundred thirty-one million, one hundred fifteen thousand, two hundred ninety-nine".