41312712257 has 4 divisors (see below), whose sum is σ = 41343987396. Its totient is φ = 41281437120.

The previous prime is 41312712211. The next prime is 41312712307. The reversal of 41312712257 is 75221721314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75221721314 = 2 ⋅37610860657.

It can be written as a sum of positive squares in 2 ways, for example, as 33813325456 + 7499386801 = 183884^2 + 86599^2 .

It is a cyclic number.

It is not a de Polignac number, because 41312712257 - 2¹² = 41312708161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41312712157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15635588 + ... + 15638229.

It is an arithmetic number, because the mean of its divisors is an integer number (10335996849).

Almost surely, 2^41312712257 is an apocalyptic number.

It is an amenable number.

41312712257 is a deficient number, since it is larger than the sum of its proper divisors (31275139).

41312712257 is a wasteful number, since it uses less digits than its factorization.

41312712257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275138.

The product of its digits is 23520, while the sum is 35.

The spelling of 41312712257 in words is "forty-one billion, three hundred twelve million, seven hundred twelve thousand, two hundred fifty-seven".