115155497 has 2 divisors, whose sum is σ = 115155498. Its totient is φ = 115155496.

The previous prime is 115155493. The next prime is 115155559. The reversal of 115155497 is 794551511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115004176 + 151321 = 10724^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 115155497 - 2² = 115155493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115155497.

It is not a weakly prime, because it can be changed into another prime (115155493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57577748 + 57577749.

It is an arithmetic number, because the mean of its divisors is an integer number (57577749).

Almost surely, 2^115155497 is an apocalyptic number.

It is an amenable number.

115155497 is a deficient number, since it is larger than the sum of its proper divisors (1).

115155497 is an equidigital number, since it uses as much as digits as its factorization.

115155497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 38.

The square root of 115155497 is about 10731.0529306308. The cubic root of 115155497 is about 486.5134950399.

The spelling of 115155497 in words is "one hundred fifteen million, one hundred fifty-five thousand, four hundred ninety-seven".