63572545725620 has 72 divisors (see below), whose sum is σ = 135134923445088. Its totient is φ = 25121754028800.

The previous prime is 63572545725599. The next prime is 63572545725629. The reversal of 63572545725620 is 2652754527536.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63572545725620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63572545725629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185338475 + ... + 185681165.

Almost surely, 2^{63572545725620} is an apocalyptic number.

It is an amenable number.

63572545725620 is an abundant number, since it is smaller than the sum of its proper divisors (71562377719468).

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

63572545725620 is a wasteful number, since it uses less digits than its factorization.

63572545725620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344049 (or 343958 counting only the distinct ones).

The product of its (nonzero) digits is 105840000, while the sum is 59.

The spelling of 63572545725620 in words is "sixty-three trillion, five hundred seventy-two billion, five hundred forty-five million, seven hundred twenty-five thousand, six hundred twenty".