71488747185 has 8 divisors (see below), whose sum is σ = 114381995520. Its totient is φ = 38127331824.

The previous prime is 71488747171. The next prime is 71488747241. The reversal of 71488747185 is 58174788417.

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

It is not a de Polignac number, because 71488747185 - 2¹⁷ = 71488616113 is a prime.

It is a super-2 number, since 2×71488747185² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382958225 + ... + 2382958254.

It is an arithmetic number, because the mean of its divisors is an integer number (14297749440).

Almost surely, 2^71488747185 is an apocalyptic number.

It is an amenable number.

71488747185 is a deficient number, since it is larger than the sum of its proper divisors (42893248335).

71488747185 is a wasteful number, since it uses less digits than its factorization.

71488747185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765916487.

The product of its digits is 14049280, while the sum is 60.

The spelling of 71488747185 in words is "seventy-one billion, four hundred eighty-eight million, seven hundred forty-seven thousand, one hundred eighty-five".