11210455261 has 2 divisors, whose sum is σ = 11210455262. Its totient is φ = 11210455260.

The previous prime is 11210455229. The next prime is 11210455331. The reversal of 11210455261 is 16255401211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8347563225 + 2862892036 = 91365^2 + 53506^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210455261 - 2⁵ = 11210455229 is a prime.

It is a super-3 number, since 3×11210455261³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11210455661) 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, 5605227630 + 5605227631.

It is an arithmetic number, because the mean of its divisors is an integer number (5605227631).

Almost surely, 2^11210455261 is an apocalyptic number.

It is an amenable number.

11210455261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210455261 is an equidigital number, since it uses as much as digits as its factorization.

11210455261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 11210455261 its reverse (16255401211), we get a palindrome (27465856472).

The spelling of 11210455261 in words is "eleven billion, two hundred ten million, four hundred fifty-five thousand, two hundred sixty-one".