63111412 has 144 divisors (see below), whose sum is σ = 154441728. Its totient is φ = 22256640.

The previous prime is 63111409. The next prime is 63111427. The reversal of 63111412 is 21411136.

It is a self number, because there is not a number n which added to its sum of digits gives 63111412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1342773 + ... + 1342819.

It is an arithmetic number, because the mean of its divisors is an integer number (1072512).

Almost surely, 2^63111412 is an apocalyptic number.

63111412 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63111412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77220864).

63111412 is an abundant number, since it is smaller than the sum of its proper divisors (91330316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63111412 is a wasteful number, since it uses less digits than its factorization.

63111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 63111412 is about 7944.2691293787. The cubic root of 63111412 is about 398.1401407115.

Adding to 63111412 its reverse (21411136), we get a palindrome (84522548).

It can be divided in two parts, 631114 and 12, that added together give a triangular number (631126 = T₁₁₂₃).

The spelling of 63111412 in words is "sixty-three million, one hundred eleven thousand, four hundred twelve".