11762204009 has 2 divisors, whose sum is σ = 11762204010. Its totient is φ = 11762204008.

The previous prime is 11762203991. The next prime is 11762204039. The reversal of 11762204009 is 90040226711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8114406400 + 3647797609 = 90080^2 + 60397^2 .

It is an emirp because it is prime and its reverse (90040226711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11762204009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11762204039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5881102004 + 5881102005.

It is an arithmetic number, because the mean of its divisors is an integer number (5881102005).

Almost surely, 2^11762204009 is an apocalyptic number.

It is an amenable number.

11762204009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11762204009 is an equidigital number, since it uses as much as digits as its factorization.

11762204009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 11762204009 in words is "eleven billion, seven hundred sixty-two million, two hundred four thousand, nine".