1305105060081 has 16 divisors (see below), whose sum is σ = 1781379353600. Its totient is φ = 849467923920.

The previous prime is 1305105060071. The next prime is 1305105060101. The reversal of 1305105060081 is 1800605015031.

It is not a de Polignac number, because 1305105060081 - 2²¹ = 1305102962929 is a prime.

It is a super-2 number, since 2×1305105060081² (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 (1305105060041) by changing a digit.

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, 1890781 + ... + 2487018.

It is an arithmetic number, because the mean of its divisors is an integer number (111336209600).

Almost surely, 2^{1305105060081} is an apocalyptic number.

It is an amenable number.

1305105060081 is a deficient number, since it is larger than the sum of its proper divisors (476274293519).

1305105060081 is a wasteful number, since it uses less digits than its factorization.

1305105060081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380156.

The product of its (nonzero) digits is 3600, while the sum is 30.

It can be divided in two parts, 13051050 and 60081, that added together give a palindrome (13111131).

The spelling of 1305105060081 in words is "one trillion, three hundred five billion, one hundred five million, sixty thousand, eighty-one".