3815115132497 has 2 divisors, whose sum is σ = 3815115132498. Its totient is φ = 3815115132496.

The previous prime is 3815115132469. The next prime is 3815115132509. The reversal of 3815115132497 is 7942315115183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2579351633296 + 1235763499201 = 1606036^2 + 1111649^2 .

It is a cyclic number.

It is not a de Polignac number, because 3815115132497 - 2¹⁸ = 3815114870353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3815115132797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907557566248 + 1907557566249.

It is an arithmetic number, because the mean of its divisors is an integer number (1907557566249).

Almost surely, 2^{3815115132497} is an apocalyptic number.

It is an amenable number.

3815115132497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3815115132497 is an equidigital number, since it uses as much as digits as its factorization.

3815115132497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The spelling of 3815115132497 in words is "three trillion, eight hundred fifteen billion, one hundred fifteen million, one hundred thirty-two thousand, four hundred ninety-seven".