11573467481 has 2 divisors, whose sum is σ = 11573467482. Its totient is φ = 11573467480.

The previous prime is 11573467469. The next prime is 11573467559. The reversal of 11573467481 is 18476437511.

11573467481 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., 11275041856 + 298425625 = 106184^2 + 17275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11573467481 is a prime.

It is a super-2 number, since 2×11573467481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11573467781) 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, 5786733740 + 5786733741.

It is an arithmetic number, because the mean of its divisors is an integer number (5786733741).

Almost surely, 2^11573467481 is an apocalyptic number.

It is an amenable number.

11573467481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11573467481 is an equidigital number, since it uses as much as digits as its factorization.

11573467481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The spelling of 11573467481 in words is "eleven billion, five hundred seventy-three million, four hundred sixty-seven thousand, four hundred eighty-one".