71853548731320 has 32 divisors (see below), whose sum is σ = 215560646194320. Its totient is φ = 19160946328320.

The previous prime is 71853548731301. The next prime is 71853548731331. The reversal of 71853548731320 is 2313784535817.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299389786261 + ... + 299389786500.

Almost surely, 2^{71853548731320} is an apocalyptic number.

It is an amenable number.

71853548731320 is an abundant number, since it is smaller than the sum of its proper divisors (143707097463000).

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

71853548731320 is a wasteful number, since it uses less digits than its factorization.

71853548731320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598779572775 (or 598779572771 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 71853548731320 in words is "seventy-one trillion, eight hundred fifty-three billion, five hundred forty-eight million, seven hundred thirty-one thousand, three hundred twenty".