1534155052543 has 2 divisors, whose sum is σ = 1534155052544. Its totient is φ = 1534155052542.

The previous prime is 1534155052523. The next prime is 1534155052601. The reversal of 1534155052543 is 3452505514351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1534155052543 - 2¹⁷ = 1534154921471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1534155052543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534155052513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767077526271 + 767077526272.

It is an arithmetic number, because the mean of its divisors is an integer number (767077526272).

Almost surely, 2^{1534155052543} is an apocalyptic number.

1534155052543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534155052543 is an equidigital number, since it uses as much as digits as its factorization.

1534155052543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 1534155052543 in words is "one trillion, five hundred thirty-four billion, one hundred fifty-five million, fifty-two thousand, five hundred forty-three".