11318461648 has 20 divisors (see below), whose sum is σ = 23616405988. Its totient is φ = 5223905280.

The previous prime is 11318461643. The next prime is 11318461669. The reversal of 11318461648 is 84616481311.

It can be written as a sum of positive squares in 2 ways, for example, as 4474539664 + 6843921984 = 66892^2 + 82728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11318461643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27207633 + ... + 27208048.

Almost surely, 2^11318461648 is an apocalyptic number.

It is an amenable number.

11318461648 is an abundant number, since it is smaller than the sum of its proper divisors (12297944340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11318461648 is a wasteful number, since it uses less digits than its factorization.

11318461648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54415702 (or 54415696 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The spelling of 11318461648 in words is "eleven billion, three hundred eighteen million, four hundred sixty-one thousand, six hundred forty-eight".