11701202609 has 2 divisors, whose sum is σ = 11701202610. Its totient is φ = 11701202608.

The previous prime is 11701202537. The next prime is 11701202659. The reversal of 11701202609 is 90620210711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11701181584 + 21025 = 108172^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 11701202609 - 2¹² = 11701198513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11701202659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850601304 + 5850601305.

It is an arithmetic number, because the mean of its divisors is an integer number (5850601305).

Almost surely, 2^11701202609 is an apocalyptic number.

It is an amenable number.

11701202609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11701202609 is an equidigital number, since it uses as much as digits as its factorization.

11701202609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 11701202609 in words is "eleven billion, seven hundred one million, two hundred two thousand, six hundred nine".