63360325581 has 12 divisors (see below), whose sum is σ = 98273158272. Its totient is φ = 36205900248.

The previous prime is 63360325559. The next prime is 63360325597. The reversal of 63360325581 is 18552306336.

It is not a de Polignac number, because 63360325581 - 2²² = 63356131277 is a prime.

It is a super-2 number, since 2×63360325581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63360325531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215511165 + ... + 215511458.

It is an arithmetic number, because the mean of its divisors is an integer number (8189429856).

Almost surely, 2^63360325581 is an apocalyptic number.

It is an amenable number.

63360325581 is a deficient number, since it is larger than the sum of its proper divisors (34912832691).

63360325581 is a wasteful number, since it uses less digits than its factorization.

63360325581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431022640 (or 431022633 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 63360325581 in words is "sixty-three billion, three hundred sixty million, three hundred twenty-five thousand, five hundred eighty-one".