11328594381 has 48 divisors (see below), whose sum is σ = 18127898880. Its totient is φ = 6773569920.

The previous prime is 11328594379. The next prime is 11328594383. The reversal of 11328594381 is 18349582311.

11328594381 is a `hidden beast` number, since 1 + 1 + 3 + 28 + 594 + 38 + 1 = 666.

11328594381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11328594379) and next prime (11328594383).

It is not a de Polignac number, because 11328594381 - 2¹ = 11328594379 is a prime.

It is a super-2 number, since 2×11328594381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11328594383) 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 in 47 ways as a sum of consecutive naturals, for example, 756951 + ... + 771771.

It is an arithmetic number, because the mean of its divisors is an integer number (377664560).

Almost surely, 2^11328594381 is an apocalyptic number.

It is an amenable number.

11328594381 is a deficient number, since it is larger than the sum of its proper divisors (6799304499).

11328594381 is a wasteful number, since it uses less digits than its factorization.

11328594381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026 (or 15023 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 11328594381 in words is "eleven billion, three hundred twenty-eight million, five hundred ninety-four thousand, three hundred eighty-one".