115166005001 has 2 divisors, whose sum is σ = 115166005002. Its totient is φ = 115166005000.

The previous prime is 115166004971. The next prime is 115166005021. The reversal of 115166005001 is 100500661511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76908600976 + 38257404025 = 277324^2 + 195595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115166005001 is a prime.

It is not a weakly prime, because it can be changed into another prime (115166005021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57583002500 + 57583002501.

It is an arithmetic number, because the mean of its divisors is an integer number (57583002501).

Almost surely, 2^115166005001 is an apocalyptic number.

It is an amenable number.

115166005001 is a deficient number, since it is larger than the sum of its proper divisors (1).

115166005001 is an equidigital number, since it uses as much as digits as its factorization.

115166005001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 115166005001 its reverse (100500661511), we get a palindrome (215666666512).

The spelling of 115166005001 in words is "one hundred fifteen billion, one hundred sixty-six million, five thousand, one".