1538514171043 has 2 divisors, whose sum is σ = 1538514171044. Its totient is φ = 1538514171042.

The previous prime is 1538514171001. The next prime is 1538514171101. The reversal of 1538514171043 is 3401714158351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1538514171043 - 2¹⁷ = 1538514039971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1538514171443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769257085521 + 769257085522.

It is an arithmetic number, because the mean of its divisors is an integer number (769257085522).

Almost surely, 2^{1538514171043} is an apocalyptic number.

1538514171043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538514171043 is an equidigital number, since it uses as much as digits as its factorization.

1538514171043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 1538514171043 in words is "one trillion, five hundred thirty-eight billion, five hundred fourteen million, one hundred seventy-one thousand, forty-three".