9725520468912 has 40 divisors (see below), whose sum is σ = 25126665134256. Its totient is φ = 3241529972736.

The previous prime is 9725520468893. The next prime is 9725520468931. The reversal of 9725520468912 is 2198640255279.

It is an interprime number because it is at equal distance from previous prime (9725520468893) and next prime (9725520468931).

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, 9186073 + ... + 10189944.

Almost surely, 2^{9725520468912} is an apocalyptic number.

It is an amenable number.

9725520468912 is an abundant number, since it is smaller than the sum of its proper divisors (15401144665344).

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

9725520468912 is a wasteful number, since it uses less digits than its factorization.

9725520468912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19386485 (or 19386479 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 9725520468912 in words is "nine trillion, seven hundred twenty-five billion, five hundred twenty million, four hundred sixty-eight thousand, nine hundred twelve".