64128926253101 has 12 divisors (see below), whose sum is σ = 64349214431040. Its totient is φ = 63909348880440.

The previous prime is 64128926253089. The next prime is 64128926253107. The reversal of 64128926253101 is 10135262982146.

64128926253101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64128926253101 - 2¹⁰ = 64128926252077 is a prime.

It is a super-2 number, since 2×64128926253101² (a number of 28 digits) contains 22 as substring.

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 64128926253101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64128926253107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180396590 + ... + 180751728.

It is an arithmetic number, because the mean of its divisors is an integer number (5362434535920).

Almost surely, 2^{64128926253101} is an apocalyptic number.

It is an amenable number.

64128926253101 is a deficient number, since it is larger than the sum of its proper divisors (220288177939).

64128926253101 is an equidigital number, since it uses as much as digits as its factorization.

64128926253101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357136 (or 356753 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 64128926253101 in words is "sixty-four trillion, one hundred twenty-eight billion, nine hundred twenty-six million, two hundred fifty-three thousand, one hundred one".