63115909945102 has 24 divisors (see below), whose sum is σ = 116609106132144. Its totient is φ = 25458518296512.

The previous prime is 63115909945079. The next prime is 63115909945129. The reversal of 63115909945102 is 20154990951136.

63115909945102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18942348258 + ... + 18942351589.

It is an arithmetic number, because the mean of its divisors is an integer number (4858712755506).

Almost surely, 2^{63115909945102} is an apocalyptic number.

63115909945102 is a deficient number, since it is larger than the sum of its proper divisors (53493196187042).

63115909945102 is a wasteful number, since it uses less digits than its factorization.

63115909945102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37884699880 (or 37884699873 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 63115909945102 in words is "sixty-three trillion, one hundred fifteen billion, nine hundred nine million, nine hundred forty-five thousand, one hundred two".