71150382813 has 4 divisors (see below), whose sum is σ = 94867177088. Its totient is φ = 47433588540.

The previous prime is 71150382781. The next prime is 71150382817. The reversal of 71150382813 is 31828305117.

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 71150382813 - 2⁵ = 71150382781 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 (71150382817) 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, 11858397133 + ... + 11858397138.

It is an arithmetic number, because the mean of its divisors is an integer number (23716794272).

Almost surely, 2^71150382813 is an apocalyptic number.

It is an amenable number.

71150382813 is a deficient number, since it is larger than the sum of its proper divisors (23716794275).

71150382813 is a wasteful number, since it uses less digits than its factorization.

71150382813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23716794274.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 71150382813 in words is "seventy-one billion, one hundred fifty million, three hundred eighty-two thousand, eight hundred thirteen".