35206705561 has 2 divisors, whose sum is σ = 35206705562. Its totient is φ = 35206705560.

The previous prime is 35206705553. The next prime is 35206705601. The reversal of 35206705561 is 16550760253.

35206705561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (35206705601) can be obtained adding 35206705561 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34564387225 + 642318336 = 185915^2 + 25344^2 .

It is a cyclic number.

It is not a de Polignac number, because 35206705561 - 2³ = 35206705553 is a prime.

It is not a weakly prime, because it can be changed into another prime (35206705511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17603352780 + 17603352781.

It is an arithmetic number, because the mean of its divisors is an integer number (17603352781).

Almost surely, 2^35206705561 is an apocalyptic number.

It is an amenable number.

35206705561 is a deficient number, since it is larger than the sum of its proper divisors (1).

35206705561 is an equidigital number, since it uses as much as digits as its factorization.

35206705561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 35206705561 in words is "thirty-five billion, two hundred six million, seven hundred five thousand, five hundred sixty-one".