1316041144561 has 16 divisors (see below), whose sum is σ = 1552278143808. Its totient is φ = 1099970280000.

The previous prime is 1316041144553. The next prime is 1316041144589. The reversal of 1316041144561 is 1654411406131.

It is a cyclic number.

It is not a de Polignac number, because 1316041144561 - 2³ = 1316041144553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316041144561.

It is not an unprimeable number, because it can be changed into a prime (1316041124561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18296946 + ... + 18368731.

It is an arithmetic number, because the mean of its divisors is an integer number (97017383988).

Almost surely, 2^{1316041144561} is an apocalyptic number.

1316041144561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1316041144561 is a deficient number, since it is larger than the sum of its proper divisors (236236999247).

1316041144561 is a wasteful number, since it uses less digits than its factorization.

1316041144561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36665952.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 1316041144561 in words is "one trillion, three hundred sixteen billion, forty-one million, one hundred forty-four thousand, five hundred sixty-one".