71005162152150 has 120 divisors (see below), whose sum is σ = 199323067897800. Its totient is φ = 18739506608640.

The previous prime is 71005162152149. The next prime is 71005162152161. The reversal of 71005162152150 is 5125126150017.

71005162152150 is a `hidden beast` number, since 7 + 1 + 0 + 0 + 5 + 1 + 621 + 5 + 21 + 5 + 0 = 666.

It is a super-2 number, since 2×71005162152150² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 89979000 + ... + 90764699.

It is an arithmetic number, because the mean of its divisors is an integer number (1661025565815).

Almost surely, 2^{71005162152150} is an apocalyptic number.

71005162152150 is an abundant number, since it is smaller than the sum of its proper divisors (128317905745650).

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

71005162152150 is a wasteful number, since it uses less digits than its factorization.

71005162152150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180743820 (or 180743806 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The spelling of 71005162152150 in words is "seventy-one trillion, five billion, one hundred sixty-two million, one hundred fifty-two thousand, one hundred fifty".