1431543245121 has 12 divisors (see below), whose sum is σ = 2255765113680. Its totient is φ = 867601966680.

The previous prime is 1431543245081. The next prime is 1431543245183. The reversal of 1431543245121 is 1215423451341.

1431543245121 is a `hidden beast` number, since 1 + 4 + 3 + 154 + 32 + 451 + 21 = 666.

It is not a de Polignac number, because 1431543245121 - 2⁷ = 1431543244993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431543249121) 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 11 ways as a sum of consecutive naturals, for example, 7230016291 + ... + 7230016488.

It is an arithmetic number, because the mean of its divisors is an integer number (187980426140).

Almost surely, 2^{1431543245121} is an apocalyptic number.

1431543245121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1431543245121 is a deficient number, since it is larger than the sum of its proper divisors (824221868559).

1431543245121 is a wasteful number, since it uses less digits than its factorization.

1431543245121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460032796 (or 14460032793 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 1431543245121 its reverse (1215423451341), we get a palindrome (2646966696462).

The spelling of 1431543245121 in words is "one trillion, four hundred thirty-one billion, five hundred forty-three million, two hundred forty-five thousand, one hundred twenty-one".