104297115257 has 4 divisors (see below), whose sum is σ = 104826542436. Its totient is φ = 103767688080.

The previous prime is 104297115253. The next prime is 104297115341. The reversal of 104297115257 is 752511792401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752511792401 = 17 ⋅44265399553.

It can be written as a sum of positive squares in 2 ways, for example, as 72243225961 + 32053889296 = 268781^2 + 179036^2 .

It is a cyclic number.

It is not a de Polignac number, because 104297115257 - 2² = 104297115253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104297115253) 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 in 3 ways as a sum of consecutive naturals, for example, 264713294 + ... + 264713687.

It is an arithmetic number, because the mean of its divisors is an integer number (26206635609).

Almost surely, 2^104297115257 is an apocalyptic number.

It is an amenable number.

104297115257 is a deficient number, since it is larger than the sum of its proper divisors (529427179).

104297115257 is an equidigital number, since it uses as much as digits as its factorization.

104297115257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529427178.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 104297115257 in words is "one hundred four billion, two hundred ninety-seven million, one hundred fifteen thousand, two hundred fifty-seven".