63147111874561 has 48 divisors (see below), whose sum is σ = 76461866801152. Its totient is φ = 51788647088640.

The previous prime is 63147111874559. The next prime is 63147111874571. The reversal of 63147111874561 is 16547811174136.

It is not a de Polignac number, because 63147111874561 - 2¹ = 63147111874559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63147111874531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11025721 + ... + 15743593.

Almost surely, 2^{63147111874561} is an apocalyptic number.

It is an amenable number.

63147111874561 is a deficient number, since it is larger than the sum of its proper divisors (13314754926591).

63147111874561 is a wasteful number, since it uses less digits than its factorization.

63147111874561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718102 (or 4718091 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 63147111874561 in words is "sixty-three trillion, one hundred forty-seven billion, one hundred eleven million, eight hundred seventy-four thousand, five hundred sixty-one".