71151717625 has 16 divisors (see below), whose sum is σ = 89659469952. Its totient is φ = 56368729200.

The previous prime is 71151717619. The next prime is 71151717631. The reversal of 71151717625 is 52671715117.

It is an interprime number because it is at equal distance from previous prime (71151717619) and next prime (71151717631).

It is not a de Polignac number, because 71151717625 - 2²⁷ = 71017499897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750299 + ... + 2776048.

It is an arithmetic number, because the mean of its divisors is an integer number (5603716872).

Almost surely, 2^71151717625 is an apocalyptic number.

It is an amenable number.

71151717625 is a deficient number, since it is larger than the sum of its proper divisors (18507752327).

71151717625 is a wasteful number, since it uses less digits than its factorization.

71151717625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526465 (or 5526455 counting only the distinct ones).

The product of its digits is 102900, while the sum is 43.

The spelling of 71151717625 in words is "seventy-one billion, one hundred fifty-one million, seven hundred seventeen thousand, six hundred twenty-five".