11338462561 has 2 divisors, whose sum is σ = 11338462562. Its totient is φ = 11338462560.

The previous prime is 11338462537. The next prime is 11338462609. The reversal of 11338462561 is 16526483311.

11338462561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10067112225 + 1271350336 = 100335^2 + 35656^2 .

It is a cyclic number.

It is not a de Polignac number, because 11338462561 - 2⁷ = 11338462433 is a prime.

It is not a weakly prime, because it can be changed into another prime (11338462061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5669231280 + 5669231281.

It is an arithmetic number, because the mean of its divisors is an integer number (5669231281).

Almost surely, 2^11338462561 is an apocalyptic number.

It is an amenable number.

11338462561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11338462561 is an equidigital number, since it uses as much as digits as its factorization.

11338462561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The spelling of 11338462561 in words is "eleven billion, three hundred thirty-eight million, four hundred sixty-two thousand, five hundred sixty-one".