64135420522101 has 96 divisors (see below), whose sum is σ = 98527228652160. Its totient is φ = 41231269244160.

The previous prime is 64135420522099. The next prime is 64135420522111. The reversal of 64135420522101 is 10122502453146.

64135420522101 is a `hidden beast` number, since 6 + 4 + 1 + 3 + 5 + 4 + 20 + 522 + 101 = 666.

It is not a de Polignac number, because 64135420522101 - 2¹ = 64135420522099 is a prime.

It is a super-2 number, since 2×64135420522101² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64135420522111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15746479801 + ... + 15746483873.

It is an arithmetic number, because the mean of its divisors is an integer number (1026325298460).

Almost surely, 2^{64135420522101} is an apocalyptic number.

It is an amenable number.

64135420522101 is a deficient number, since it is larger than the sum of its proper divisors (34391808130059).

64135420522101 is a wasteful number, since it uses less digits than its factorization.

64135420522101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144 (or 6107 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 64135420522101 its reverse (10122502453146), we get a palindrome (74257922975247).

The spelling of 64135420522101 in words is "sixty-four trillion, one hundred thirty-five billion, four hundred twenty million, five hundred twenty-two thousand, one hundred one".