11326005864 has 48 divisors (see below), whose sum is σ = 30679548900. Its totient is φ = 3774726144.

The previous prime is 11326005841. The next prime is 11326005869. The reversal of 11326005864 is 46850062311.

It is a happy number.

11326005864 is a `hidden beast` number, since 1 + 13 + 2 + 60 + 0 + 586 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11208456900 + 117548964 = 105870^2 + 10842^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11326005869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766902 + ... + 781530.

Almost surely, 2^11326005864 is an apocalyptic number.

It is an amenable number.

11326005864 is an abundant number, since it is smaller than the sum of its proper divisors (19353543036).

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

11326005864 is a wasteful number, since it uses less digits than its factorization.

11326005864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25394 (or 25387 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11326005864 in words is "eleven billion, three hundred twenty-six million, five thousand, eight hundred sixty-four".