64335232011 has 8 divisors (see below), whose sum is σ = 86026099600. Its totient is φ = 42767259552.

The previous prime is 64335232007. The next prime is 64335232019. The reversal of 64335232011 is 11023253346.

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

It is not a de Polignac number, because 64335232011 - 2² = 64335232007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64335232011.

It is not an unprimeable number, because it can be changed into a prime (64335232019) 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, 30722560 + ... + 30724653.

It is an arithmetic number, because the mean of its divisors is an integer number (10753262450).

Almost surely, 2^64335232011 is an apocalyptic number.

64335232011 is a deficient number, since it is larger than the sum of its proper divisors (21690867589).

64335232011 is a wasteful number, since it uses less digits than its factorization.

64335232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61447565.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 64335232011 its reverse (11023253346), we get a palindrome (75358485357).

The spelling of 64335232011 in words is "sixty-four billion, three hundred thirty-five million, two hundred thirty-two thousand, eleven".