71241507315 has 64 divisors (see below), whose sum is σ = 138259008000. Its totient is φ = 34517923200.

The previous prime is 71241507301. The next prime is 71241507319. The reversal of 71241507315 is 51370514217.

It is not a de Polignac number, because 71241507315 - 2⁸ = 71241507059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71241507315.

It is not an unprimeable number, because it can be changed into a prime (71241507319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2284780 + ... + 2315750.

It is an arithmetic number, because the mean of its divisors is an integer number (2160297000).

Almost surely, 2^71241507315 is an apocalyptic number.

71241507315 is a deficient number, since it is larger than the sum of its proper divisors (67017500685).

71241507315 is a wasteful number, since it uses less digits than its factorization.

71241507315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32545 (or 32539 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 71241507315 in words is "seventy-one billion, two hundred forty-one million, five hundred seven thousand, three hundred fifteen".