1431381566144 has 28 divisors (see below), whose sum is σ = 2840468135664. Its totient is φ = 715673059584.

The previous prime is 1431381566143. The next prime is 1431381566159. The reversal of 1431381566144 is 4416651831341.

It is not an unprimeable number, because it can be changed into a prime (1431381566143) 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 3 ways as a sum of consecutive naturals, for example, 2551589 + ... + 3061595.

Almost surely, 2^{1431381566144} is an apocalyptic number.

It is an amenable number.

1431381566144 is a deficient number, since it is larger than the sum of its proper divisors (1409086569520).

1431381566144 is an equidigital number, since it uses as much as digits as its factorization.

1431381566144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553872 (or 553862 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 1431381566144 in words is "one trillion, four hundred thirty-one billion, three hundred eighty-one million, five hundred sixty-six thousand, one hundred forty-four".