1330105225581 has 32 divisors (see below), whose sum is σ = 2150397849600. Its totient is φ = 805849565040.

The previous prime is 1330105225577. The next prime is 1330105225643. The reversal of 1330105225581 is 1855225010331.

1330105225581 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 1 + 0 + 52 + 25 + 581 = 666.

It is not a de Polignac number, because 1330105225581 - 2² = 1330105225577 is a prime.

It is a super-2 number, since 2×1330105225581² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330105225541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110980 + ... + 1634786.

It is an arithmetic number, because the mean of its divisors is an integer number (67199932800).

Almost surely, 2^{1330105225581} is an apocalyptic number.

1330105225581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1330105225581 is a deficient number, since it is larger than the sum of its proper divisors (820292624019).

1330105225581 is a wasteful number, since it uses less digits than its factorization.

1330105225581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526766 (or 1526760 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1330105225581 in words is "one trillion, three hundred thirty billion, one hundred five million, two hundred twenty-five thousand, five hundred eighty-one".