64113512 has 16 divisors (see below), whose sum is σ = 125439840. Its totient is φ = 30662896.

The previous prime is 64113509. The next prime is 64113521. The reversal of 64113512 is 21531146.

64113512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64113512² = 8221084841948288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174038 + ... + 174405.

It is an arithmetic number, because the mean of its divisors is an integer number (7839990).

Almost surely, 2^64113512 is an apocalyptic number.

It is an amenable number.

64113512 is a deficient number, since it is larger than the sum of its proper divisors (61326328).

64113512 is a wasteful number, since it uses less digits than its factorization.

64113512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348472 (or 348468 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 64113512 is about 8007.0913570410. The cubic root of 64113512 is about 400.2363436600.

Adding to 64113512 its reverse (21531146), we get a palindrome (85644658).

The spelling of 64113512 in words is "sixty-four million, one hundred thirteen thousand, five hundred twelve".