15045775403573 has 2 divisors, whose sum is σ = 15045775403574. Its totient is φ = 15045775403572.

The previous prime is 15045775403567. The next prime is 15045775403689. The reversal of 15045775403573 is 37530457754051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13627489720849 + 1418285682724 = 3691543^2 + 1190918^2 .

It is an emirp because it is prime and its reverse (37530457754051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15045775403573 - 2⁶ = 15045775403509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15045775403173) 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, 7522887701786 + 7522887701787.

It is an arithmetic number, because the mean of its divisors is an integer number (7522887701787).

Almost surely, 2^{15045775403573} is an apocalyptic number.

It is an amenable number.

15045775403573 is a deficient number, since it is larger than the sum of its proper divisors (1).

15045775403573 is an equidigital number, since it uses as much as digits as its factorization.

15045775403573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870000, while the sum is 56.

The spelling of 15045775403573 in words is "fifteen trillion, forty-five billion, seven hundred seventy-five million, four hundred three thousand, five hundred seventy-three".