71257812203 has 8 divisors (see below), whose sum is σ = 71496092976. Its totient is φ = 71019784800.

The previous prime is 71257812169. The next prime is 71257812233. The reversal of 71257812203 is 30221875217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71257812203 - 2⁶ = 71257812139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71257812233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508673 + ... + 633453.

It is an arithmetic number, because the mean of its divisors is an integer number (8937011622).

Almost surely, 2^71257812203 is an apocalyptic number.

71257812203 is a deficient number, since it is larger than the sum of its proper divisors (238280773).

71257812203 is a wasteful number, since it uses less digits than its factorization.

71257812203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126685.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 71257812203 in words is "seventy-one billion, two hundred fifty-seven million, eight hundred twelve thousand, two hundred three".