63081547572 has 12 divisors (see below), whose sum is σ = 147190277696. Its totient is φ = 21027182520.

The previous prime is 63081547553. The next prime is 63081547643. The reversal of 63081547572 is 27574518036.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628397804 + ... + 2628397827.

Almost surely, 2^63081547572 is an apocalyptic number.

It is an amenable number.

63081547572 is an abundant number, since it is smaller than the sum of its proper divisors (84108730124).

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

63081547572 is a wasteful number, since it uses less digits than its factorization.

63081547572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256795638 (or 5256795636 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 63081547572 in words is "sixty-three billion, eighty-one million, five hundred forty-seven thousand, five hundred seventy-two".