1580403700543 has 2 divisors, whose sum is σ = 1580403700544. Its totient is φ = 1580403700542.

The previous prime is 1580403700517. The next prime is 1580403700567. The reversal of 1580403700543 is 3450073040851.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1580403700543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1580403700496 and 1580403700505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1580403709543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790201850271 + 790201850272.

It is an arithmetic number, because the mean of its divisors is an integer number (790201850272).

Almost surely, 2^{1580403700543} is an apocalyptic number.

1580403700543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1580403700543 is an equidigital number, since it uses as much as digits as its factorization.

1580403700543 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 40.

It can be divided in two parts, 158040 and 3700543, that added together give a palindrome (3858583).

The spelling of 1580403700543 in words is "one trillion, five hundred eighty billion, four hundred three million, seven hundred thousand, five hundred forty-three".