71316686901 has 4 divisors (see below), whose sum is σ = 95088915872. Its totient is φ = 47544457932.

The previous prime is 71316686887. The next prime is 71316686923. The reversal of 71316686901 is 10968661317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71316686901 - 2⁵ = 71316686869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71316686971) 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, 11886114481 + ... + 11886114486.

It is an arithmetic number, because the mean of its divisors is an integer number (23772228968).

Almost surely, 2^71316686901 is an apocalyptic number.

It is an amenable number.

71316686901 is a deficient number, since it is larger than the sum of its proper divisors (23772228971).

71316686901 is a wasteful number, since it uses less digits than its factorization.

71316686901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23772228970.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 71316686901 in words is "seventy-one billion, three hundred sixteen million, six hundred eighty-six thousand, nine hundred one".