64502011 has 8 divisors (see below), whose sum is σ = 73769984. Its totient is φ = 55247400.

The previous prime is 64501973. The next prime is 64502023. The reversal of 64502011 is 11020546.

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

It is a cyclic number.

It is not a de Polignac number, because 64502011 - 2⁷ = 64501883 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 64502011.

It is not an unprimeable number, because it can be changed into a prime (64502111) 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, 11296 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (9221248).

Almost surely, 2^64502011 is an apocalyptic number.

64502011 is a deficient number, since it is larger than the sum of its proper divisors (9267973).

64502011 is a wasteful number, since it uses less digits than its factorization.

64502011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 64502011 is about 8031.3144005200. The cubic root of 64502011 is about 401.0431335662.

Adding to 64502011 its reverse (11020546), we get a palindrome (75522557).

The spelling of 64502011 in words is "sixty-four million, five hundred two thousand, eleven".