1311563560122 has 96 divisors (see below), whose sum is σ = 2975383756800. Its totient is φ = 416756399136.

The previous prime is 1311563560093. The next prime is 1311563560127. The reversal of 1311563560122 is 2210653651131.

1311563560122 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 5 + 635 + 6 + 0 + 12 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1311563560127) 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 47 ways as a sum of consecutive naturals, for example, 166374793 + ... + 166382675.

It is an arithmetic number, because the mean of its divisors is an integer number (30993580800).

Almost surely, 2^{1311563560122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311563560122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487691878400).

1311563560122 is an abundant number, since it is smaller than the sum of its proper divisors (1663820196678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311563560122 is a wasteful number, since it uses less digits than its factorization.

1311563560122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232 (or 9229 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1311563560122 in words is "one trillion, three hundred eleven billion, five hundred sixty-three million, five hundred sixty thousand, one hundred twenty-two".