11310009001 has 2 divisors, whose sum is σ = 11310009002. Its totient is φ = 11310009000.

The previous prime is 11310008993. The next prime is 11310009023. The reversal of 11310009001 is 10090001311.

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., 6024864400 + 5285144601 = 77620^2 + 72699^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310009001 - 2³ = 11310008993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11310009301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655004500 + 5655004501.

It is an arithmetic number, because the mean of its divisors is an integer number (5655004501).

Almost surely, 2^11310009001 is an apocalyptic number.

It is an amenable number.

11310009001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310009001 is an equidigital number, since it uses as much as digits as its factorization.

11310009001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The spelling of 11310009001 in words is "eleven billion, three hundred ten million, nine thousand, one".