64530025111 has 8 divisors (see below), whose sum is σ = 65180887200. Its totient is φ = 63880233120.

The previous prime is 64530025081. The next prime is 64530025163. The reversal of 64530025111 is 11152003546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64530025111 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 64530025111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64530025211) 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, 146035 + ... + 387796.

It is an arithmetic number, because the mean of its divisors is an integer number (8147610900).

Almost surely, 2^64530025111 is an apocalyptic number.

64530025111 is a deficient number, since it is larger than the sum of its proper divisors (650862089).

64530025111 is a wasteful number, since it uses less digits than its factorization.

64530025111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535049.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 64530025111 its reverse (11152003546), we get a palindrome (75682028657).

The spelling of 64530025111 in words is "sixty-four billion, five hundred thirty million, twenty-five thousand, one hundred eleven".