63541078111 has 32 divisors (see below), whose sum is σ = 79132838400. Its totient is φ = 49782418560.

The previous prime is 63541078099. The next prime is 63541078141. The reversal of 63541078111 is 11187014536.

It is a happy number.

It is not a de Polignac number, because 63541078111 - 2²³ = 63532689503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63541078141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6247116 + ... + 6257278.

It is an arithmetic number, because the mean of its divisors is an integer number (2472901200).

Almost surely, 2^63541078111 is an apocalyptic number.

63541078111 is a deficient number, since it is larger than the sum of its proper divisors (15591760289).

63541078111 is a wasteful number, since it uses less digits than its factorization.

63541078111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 63541078111 in words is "sixty-three billion, five hundred forty-one million, seventy-eight thousand, one hundred eleven".