63868241511 has 12 divisors (see below), whose sum is σ = 97680840192. Its totient is φ = 40074190656.

The previous prime is 63868241473. The next prime is 63868241531. The reversal of 63868241511 is 11514286836.

63868241511 is a `hidden beast` number, since 6 + 38 + 68 + 2 + 41 + 511 = 666.

It is not a de Polignac number, because 63868241511 - 2⁷ = 63868241383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63868241531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208719591 + ... + 208719896.

It is an arithmetic number, because the mean of its divisors is an integer number (8140070016).

Almost surely, 2^63868241511 is an apocalyptic number.

63868241511 is a deficient number, since it is larger than the sum of its proper divisors (33812598681).

63868241511 is a wasteful number, since it uses less digits than its factorization.

63868241511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417439510 (or 417439507 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 63868241511 in words is "sixty-three billion, eight hundred sixty-eight million, two hundred forty-one thousand, five hundred eleven".