64964725511 has 8 divisors (see below), whose sum is σ = 74247667200. Its totient is φ = 55682350488.

The previous prime is 64964725489. The next prime is 64964725591. The reversal of 64964725511 is 11552746946.

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 64964725511 - 2¹⁸ = 64964463367 is a prime.

It is a super-3 number, since 3×64964725511³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 64964725511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64964725591) 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, 141830 + ... + 387356.

It is an arithmetic number, because the mean of its divisors is an integer number (9280958400).

Almost surely, 2^64964725511 is an apocalyptic number.

64964725511 is a deficient number, since it is larger than the sum of its proper divisors (9282941689).

64964725511 is a wasteful number, since it uses less digits than its factorization.

64964725511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283333.

The product of its digits is 1814400, while the sum is 50.

The spelling of 64964725511 in words is "sixty-four billion, nine hundred sixty-four million, seven hundred twenty-five thousand, five hundred eleven".