11464744481 has 2 divisors, whose sum is σ = 11464744482. Its totient is φ = 11464744480.

The previous prime is 11464744471. The next prime is 11464744517. The reversal of 11464744481 is 18444746411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6397440256 + 5067304225 = 79984^2 + 71185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11464744481 is a prime.

It is a super-2 number, since 2×11464744481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11464744411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5732372240 + 5732372241.

It is an arithmetic number, because the mean of its divisors is an integer number (5732372241).

Almost surely, 2^11464744481 is an apocalyptic number.

It is an amenable number.

11464744481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11464744481 is an equidigital number, since it uses as much as digits as its factorization.

11464744481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 44.

The spelling of 11464744481 in words is "eleven billion, four hundred sixty-four million, seven hundred forty-four thousand, four hundred eighty-one".