11302213261 has 2 divisors, whose sum is σ = 11302213262. Its totient is φ = 11302213260.

The previous prime is 11302213243. The next prime is 11302213301. The reversal of 11302213261 is 16231220311.

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., 9507420036 + 1794793225 = 97506^2 + 42365^2 .

It is a cyclic number.

It is not a de Polignac number, because 11302213261 - 2¹⁵ = 11302180493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11302213211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651106630 + 5651106631.

It is an arithmetic number, because the mean of its divisors is an integer number (5651106631).

Almost surely, 2^11302213261 is an apocalyptic number.

It is an amenable number.

11302213261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11302213261 is an equidigital number, since it uses as much as digits as its factorization.

11302213261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11302213261 its reverse (16231220311), we get a palindrome (27533433572).

The spelling of 11302213261 in words is "eleven billion, three hundred two million, two hundred thirteen thousand, two hundred sixty-one".