1316541111642 has 48 divisors (see below), whose sum is σ = 2875274787840. Its totient is φ = 435344849856.

The previous prime is 1316541111601. The next prime is 1316541111647. The reversal of 1316541111642 is 2461111456131.

1316541111642 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 5 + 4 + 1 + 1 + 1 + 1 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1316541111597 and 1316541111606.

It is not an unprimeable number, because it can be changed into a prime (1316541111647) 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 23 ways as a sum of consecutive naturals, for example, 26133534 + ... + 26183862.

It is an arithmetic number, because the mean of its divisors is an integer number (59901558080).

Almost surely, 2^{1316541111642} is an apocalyptic number.

1316541111642 is an abundant number, since it is smaller than the sum of its proper divisors (1558733676198).

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

1316541111642 is a wasteful number, since it uses less digits than its factorization.

1316541111642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61907 (or 61904 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

Adding to 1316541111642 its reverse (2461111456131), we get a palindrome (3777652567773).

The spelling of 1316541111642 in words is "one trillion, three hundred sixteen billion, five hundred forty-one million, one hundred eleven thousand, six hundred forty-two".