103065521543 has 2 divisors, whose sum is σ = 103065521544. Its totient is φ = 103065521542.

The previous prime is 103065521509. The next prime is 103065521579. The reversal of 103065521543 is 345125560301.

It is a weak prime.

It is an emirp because it is prime and its reverse (345125560301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103065521543 - 2⁶ = 103065521479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103065551543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51532760771 + 51532760772.

It is an arithmetic number, because the mean of its divisors is an integer number (51532760772).

Almost surely, 2^103065521543 is an apocalyptic number.

103065521543 is a deficient number, since it is larger than the sum of its proper divisors (1).

103065521543 is an equidigital number, since it uses as much as digits as its factorization.

103065521543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 103065521543 in words is "one hundred three billion, sixty-five million, five hundred twenty-one thousand, five hundred forty-three".