15712201609553 has 2 divisors, whose sum is σ = 15712201609554. Its totient is φ = 15712201609552.

The previous prime is 15712201609523. The next prime is 15712201609571. The reversal of 15712201609553 is 35590610221751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13630509570304 + 2081692039249 = 3691952^2 + 1442807^2 .

It is a cyclic number.

It is not a de Polignac number, because 15712201609553 - 2²⁰ = 15712200560977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15712201609498 and 15712201609507.

It is not a weakly prime, because it can be changed into another prime (15712201609523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7856100804776 + 7856100804777.

It is an arithmetic number, because the mean of its divisors is an integer number (7856100804777).

Almost surely, 2^{15712201609553} is an apocalyptic number.

It is an amenable number.

15712201609553 is a deficient number, since it is larger than the sum of its proper divisors (1).

15712201609553 is an equidigital number, since it uses as much as digits as its factorization.

15712201609553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 15712201609553 in words is "fifteen trillion, seven hundred twelve billion, two hundred one million, six hundred nine thousand, five hundred fifty-three".