64005256101 has 8 divisors (see below), whose sum is σ = 85498089184. Its totient is φ = 42591296880.

The previous prime is 64005256093. The next prime is 64005256223. The reversal of 64005256101 is 10165250046.

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

It is not a de Polignac number, because 64005256101 - 2³ = 64005256093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64005256801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19716571 + ... + 19719816.

It is an arithmetic number, because the mean of its divisors is an integer number (10687261148).

Almost surely, 2^64005256101 is an apocalyptic number.

It is an amenable number.

64005256101 is a deficient number, since it is larger than the sum of its proper divisors (21492833083).

64005256101 is a wasteful number, since it uses less digits than its factorization.

64005256101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39436931.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 64005256101 in words is "sixty-four billion, five million, two hundred fifty-six thousand, one hundred one".