11265400609 has 2 divisors, whose sum is σ = 11265400610. Its totient is φ = 11265400608.

The previous prime is 11265400607. The next prime is 11265400613. The reversal of 11265400609 is 90600456211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9418120209 + 1847280400 = 97047^2 + 42980^2 .

It is a cyclic number.

It is not a de Polignac number, because 11265400609 - 2¹ = 11265400607 is a prime.

Together with 11265400607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11265400607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632700304 + 5632700305.

It is an arithmetic number, because the mean of its divisors is an integer number (5632700305).

Almost surely, 2^11265400609 is an apocalyptic number.

It is an amenable number.

11265400609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11265400609 is an equidigital number, since it uses as much as digits as its factorization.

11265400609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 11265400609 in words is "eleven billion, two hundred sixty-five million, four hundred thousand, six hundred nine".