63251631113111 has 8 divisors (see below), whose sum is σ = 72313004951424. Its totient is φ = 54196613908920.

The previous prime is 63251631113053. The next prime is 63251631113129. The reversal of 63251631113111 is 11131113615236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-63251631113111 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 (63251631113161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589137205 + ... + 1589177006.

It is an arithmetic number, because the mean of its divisors is an integer number (9039125618928).

Almost surely, 2^{63251631113111} is an apocalyptic number.

63251631113111 is a deficient number, since it is larger than the sum of its proper divisors (9061373838313).

63251631113111 is a wasteful number, since it uses less digits than its factorization.

63251631113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178317061.

The product of its digits is 9720, while the sum is 35.

Adding to 63251631113111 its reverse (11131113615236), we get a palindrome (74382744728347).

The spelling of 63251631113111 in words is "sixty-three trillion, two hundred fifty-one billion, six hundred thirty-one million, one hundred thirteen thousand, one hundred eleven".