1064523654881 has 8 divisors (see below), whose sum is σ = 1095802661184. Its totient is φ = 1033541132400.

The previous prime is 1064523654871. The next prime is 1064523654889. The reversal of 1064523654881 is 1884563254601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064523654881 is a prime.

It is a super-2 number, since 2×1064523654881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064523654889) 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, 74113670 + ... + 74128031.

It is an arithmetic number, because the mean of its divisors is an integer number (136975332648).

Almost surely, 2^{1064523654881} is an apocalyptic number.

It is an amenable number.

1064523654881 is a deficient number, since it is larger than the sum of its proper divisors (31279006303).

1064523654881 is a wasteful number, since it uses less digits than its factorization.

1064523654881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148241911.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 1064523654881 in words is "one trillion, sixty-four billion, five hundred twenty-three million, six hundred fifty-four thousand, eight hundred eighty-one".