71631468852132 has 72 divisors (see below), whose sum is σ = 195145720533120. Its totient is φ = 20390613122880.

The previous prime is 71631468852107. The next prime is 71631468852143. The reversal of 71631468852132 is 23125886413617.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224604907 + ... + 224923602.

Almost surely, 2^{71631468852132} is an apocalyptic number.

It is an amenable number.

71631468852132 is an abundant number, since it is smaller than the sum of its proper divisors (123514251680988).

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

71631468852132 is a wasteful number, since it uses less digits than its factorization.

71631468852132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449528801 (or 449528792 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 71631468852132 in words is "seventy-one trillion, six hundred thirty-one billion, four hundred sixty-eight million, eight hundred fifty-two thousand, one hundred thirty-two".