71520913196 has 6 divisors (see below), whose sum is σ = 125161598100. Its totient is φ = 35760456596.

The previous prime is 71520913181. The next prime is 71520913241. The reversal of 71520913196 is 69131902517.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8940114146 + ... + 8940114153.

It is an arithmetic number, because the mean of its divisors is an integer number (20860266350).

Almost surely, 2^71520913196 is an apocalyptic number.

It is an amenable number.

71520913196 is a deficient number, since it is larger than the sum of its proper divisors (53640684904).

71520913196 is a wasteful number, since it uses less digits than its factorization.

71520913196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880228303 (or 17880228301 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 71520913196 in words is "seventy-one billion, five hundred twenty million, nine hundred thirteen thousand, one hundred ninety-six".