971489532552 has 96 divisors (see below), whose sum is σ = 3050958926400. Its totient is φ = 252334938240.

The previous prime is 971489532511. The next prime is 971489532577. The reversal of 971489532552 is 255235984179.

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 23 ways as a sum of consecutive naturals, for example, 23875027 + ... + 23915682.

It is an arithmetic number, because the mean of its divisors is an integer number (31780822150).

Almost surely, 2^971489532552 is an apocalyptic number.

It is an amenable number.

971489532552 is an abundant number, since it is smaller than the sum of its proper divisors (2079469393848).

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

971489532552 is a wasteful number, since it uses less digits than its factorization.

971489532552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47790747 (or 47790732 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 60.

The spelling of 971489532552 in words is "nine hundred seventy-one billion, four hundred eighty-nine million, five hundred thirty-two thousand, five hundred fifty-two".