64081112 has 8 divisors (see below), whose sum is σ = 120152100. Its totient is φ = 32040552.

The previous prime is 64081111. The next prime is 64081117. The reversal of 64081112 is 21118046.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64081111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005062 + ... + 4005077.

Almost surely, 2^64081112 is an apocalyptic number.

It is an amenable number.

64081112 is a deficient number, since it is larger than the sum of its proper divisors (56070988).

64081112 is a wasteful number, since it uses less digits than its factorization.

64081112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010145 (or 8010141 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 64081112 is about 8005.0678947777. The cubic root of 64081112 is about 400.1689119951.

Adding to 64081112 its reverse (21118046), we get a palindrome (85199158).

The spelling of 64081112 in words is "sixty-four million, eighty-one thousand, one hundred twelve".