63361520145 has 192 divisors, whose sum is σ = 143984355840. Its totient is φ = 25004851200.

The previous prime is 63361520143. The next prime is 63361520149. The reversal of 63361520145 is 54102516336.

63361520145 is a `hidden beast` number, since 6 + 3 + 3 + 615 + 20 + 14 + 5 = 666.

It is not a de Polignac number, because 63361520145 - 2¹ = 63361520143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63361520143) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6124417 + ... + 6134753.

It is an arithmetic number, because the mean of its divisors is an integer number (749918520).

Almost surely, 2^63361520145 is an apocalyptic number.

It is an amenable number.

63361520145 is an abundant number, since it is smaller than the sum of its proper divisors (80622835695).

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

63361520145 is a wasteful number, since it uses less digits than its factorization.

63361520145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456 (or 10453 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 63361520145 in words is "sixty-three billion, three hundred sixty-one million, five hundred twenty thousand, one hundred forty-five".