115531525125097 has 2 divisors, whose sum is σ = 115531525125098. Its totient is φ = 115531525125096.

The previous prime is 115531525125007. The next prime is 115531525125103. The reversal of 115531525125097 is 790521525135511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103633295841936 + 11898229283161 = 10180044^2 + 3449381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115531525125097 is a prime.

It is not a weakly prime, because it can be changed into another prime (115531525125007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57765762562548 + 57765762562549.

It is an arithmetic number, because the mean of its divisors is an integer number (57765762562549).

Almost surely, 2^{115531525125097} is an apocalyptic number.

It is an amenable number.

115531525125097 is a deficient number, since it is larger than the sum of its proper divisors (1).

115531525125097 is an equidigital number, since it uses as much as digits as its factorization.

115531525125097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2362500, while the sum is 52.

The spelling of 115531525125097 in words is "one hundred fifteen trillion, five hundred thirty-one billion, five hundred twenty-five million, one hundred twenty-five thousand, ninety-seven".