10581325321264 has 20 divisors (see below), whose sum is σ = 20502793049760. Its totient is φ = 5290281953600.

The previous prime is 10581325321223. The next prime is 10581325321309. The reversal of 10581325321264 is 46212352318501.

It is a super-2 number, since 2×10581325321264² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10581325321264.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23564824 + ... + 24009655.

It is an arithmetic number, because the mean of its divisors is an integer number (1025139652488).

Almost surely, 2^{10581325321264} is an apocalyptic number.

It is an amenable number.

10581325321264 is a deficient number, since it is larger than the sum of its proper divisors (9921467728496).

10581325321264 is a wasteful number, since it uses less digits than its factorization.

10581325321264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47588388 (or 47588382 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

Adding to 10581325321264 its reverse (46212352318501), we get a palindrome (56793677639765).

The spelling of 10581325321264 in words is "ten trillion, five hundred eighty-one billion, three hundred twenty-five million, three hundred twenty-one thousand, two hundred sixty-four".