63540111 has 16 divisors (see below), whose sum is σ = 89492480. Its totient is φ = 40037760.

The previous prime is 63540089. The next prime is 63540143. The reversal of 63540111 is 11104536.

It is not a de Polignac number, because 63540111 - 2⁵ = 63540079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (5593280).

Almost surely, 2^63540111 is an apocalyptic number.

63540111 is a deficient number, since it is larger than the sum of its proper divisors (25952369).

63540111 is a wasteful number, since it uses less digits than its factorization.

63540111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15966.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 63540111 is about 7971.2051159157. The cubic root of 63540111 is about 399.0395938121.

Adding to 63540111 its reverse (11104536), we get a palindrome (74644647).

The spelling of 63540111 in words is "sixty-three million, five hundred forty thousand, one hundred eleven".