35120323531561 has 2 divisors, whose sum is σ = 35120323531562. Its totient is φ = 35120323531560.

The previous prime is 35120323531487. The next prime is 35120323531627. The reversal of 35120323531561 is 16513532302153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33007966505536 + 2112357026025 = 5745256^2 + 1453395^2 .

It is a cyclic number.

It is not a de Polignac number, because 35120323531561 - 2²⁹ = 35119786660649 is a prime.

It is not a weakly prime, because it can be changed into another prime (35120320531561) 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, 17560161765780 + 17560161765781.

It is an arithmetic number, because the mean of its divisors is an integer number (17560161765781).

Almost surely, 2^{35120323531561} is an apocalyptic number.

It is an amenable number.

35120323531561 is a deficient number, since it is larger than the sum of its proper divisors (1).

35120323531561 is an equidigital number, since it uses as much as digits as its factorization.

35120323531561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 35120323531561 in words is "thirty-five trillion, one hundred twenty billion, three hundred twenty-three million, five hundred thirty-one thousand, five hundred sixty-one".