1064665412255 has 16 divisors (see below), whose sum is σ = 1278520528320. Its totient is φ = 851117847552.

The previous prime is 1064665412233. The next prime is 1064665412269. The reversal of 1064665412255 is 5522145664601.

It is a cyclic number.

It is not a de Polignac number, because 1064665412255 - 2¹² = 1064665408159 is a prime.

It is a super-2 number, since 2×1064665412255² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59280737 + ... + 59298693.

It is an arithmetic number, because the mean of its divisors is an integer number (79907533020).

Almost surely, 2^{1064665412255} is an apocalyptic number.

1064665412255 is a deficient number, since it is larger than the sum of its proper divisors (213855116065).

1064665412255 is a wasteful number, since it uses less digits than its factorization.

1064665412255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25858.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 1064665412255 in words is "one trillion, sixty-four billion, six hundred sixty-five million, four hundred twelve thousand, two hundred fifty-five".