11452225409 has 2 divisors, whose sum is σ = 11452225410. Its totient is φ = 11452225408.

The previous prime is 11452225391. The next prime is 11452225439. The reversal of 11452225409 is 90452225411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11437233025 + 14992384 = 106945^2 + 3872^2 .

It is an emirp because it is prime and its reverse (90452225411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11452225409 - 2³² = 7157258113 is a prime.

It is a super-3 number, since 3×11452225409³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11452225439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726112704 + 5726112705.

It is an arithmetic number, because the mean of its divisors is an integer number (5726112705).

Almost surely, 2^11452225409 is an apocalyptic number.

It is an amenable number.

11452225409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11452225409 is an equidigital number, since it uses as much as digits as its factorization.

11452225409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

It can be divided in two parts, 114522 and 25409, that added together give a palindrome (139931).

The spelling of 11452225409 in words is "eleven billion, four hundred fifty-two million, two hundred twenty-five thousand, four hundred nine".