11490795221 has 8 divisors (see below), whose sum is σ = 12024026424. Its totient is φ = 10969283520.

The previous prime is 11490795209. The next prime is 11490795223. The reversal of 11490795221 is 12259709411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9034502500 + 2456292721 = 95050^2 + 49561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11490795221 - 2¹⁸ = 11490533077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490795223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927870 + ... + 2931791.

It is an arithmetic number, because the mean of its divisors is an integer number (1503003303).

Almost surely, 2^11490795221 is an apocalyptic number.

It is an amenable number.

11490795221 is a deficient number, since it is larger than the sum of its proper divisors (533231203).

11490795221 is an equidigital number, since it uses as much as digits as its factorization.

11490795221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859751.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 11490795221 in words is "eleven billion, four hundred ninety million, seven hundred ninety-five thousand, two hundred twenty-one".