71241510285 has 96 divisors (see below), whose sum is σ = 142768932480. Its totient is φ = 33426432000.

The previous prime is 71241510239. The next prime is 71241510293. The reversal of 71241510285 is 58201514217.

It is a happy number.

It is not a de Polignac number, because 71241510285 - 2¹⁴ = 71241493901 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1402125 + ... + 1452045.

It is an arithmetic number, because the mean of its divisors is an integer number (1487176380).

Almost surely, 2^71241510285 is an apocalyptic number.

It is an amenable number.

71241510285 is an abundant number, since it is smaller than the sum of its proper divisors (71527422195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71241510285 is a wasteful number, since it uses less digits than its factorization.

71241510285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50008 (or 49971 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 71241510285 in words is "seventy-one billion, two hundred forty-one million, five hundred ten thousand, two hundred eighty-five".