1446155131561 has 16 divisors (see below), whose sum is σ = 1674045798400. Its totient is φ = 1223595788688.

The previous prime is 1446155131559. The next prime is 1446155131571. The reversal of 1446155131561 is 1651315516441.

It is a happy number.

It is not a de Polignac number, because 1446155131561 - 2¹ = 1446155131559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1446155131571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187430 + ... + 2770768.

It is an arithmetic number, because the mean of its divisors is an integer number (104627862400).

Almost surely, 2^{1446155131561} is an apocalyptic number.

It is an amenable number.

1446155131561 is a deficient number, since it is larger than the sum of its proper divisors (227890666839).

1446155131561 is an equidigital number, since it uses as much as digits as its factorization.

1446155131561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587908.

The product of its digits is 216000, while the sum is 43.

The spelling of 1446155131561 in words is "one trillion, four hundred forty-six billion, one hundred fifty-five million, one hundred thirty-one thousand, five hundred sixty-one".