1543400431159 has 2 divisors, whose sum is σ = 1543400431160. Its totient is φ = 1543400431158.

The previous prime is 1543400431129. The next prime is 1543400431171. The reversal of 1543400431159 is 9511340043451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1543400431159 - 2⁵ = 1543400431127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1543400431129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771700215579 + 771700215580.

It is an arithmetic number, because the mean of its divisors is an integer number (771700215580).

Almost surely, 2^{1543400431159} is an apocalyptic number.

1543400431159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1543400431159 is an equidigital number, since it uses as much as digits as its factorization.

1543400431159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 1543400431159 in words is "one trillion, five hundred forty-three billion, four hundred million, four hundred thirty-one thousand, one hundred fifty-nine".