11820741264 has 80 divisors (see below), whose sum is σ = 34279819840. Its totient is φ = 3899612160.

The previous prime is 11820741253. The next prime is 11820741269. The reversal of 11820741264 is 46214702811.

It is a happy number.

11820741264 is a `hidden beast` number, since 1 + 182 + 0 + 7 + 412 + 64 = 666.

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 (11820741269) 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 15 ways as a sum of consecutive naturals, for example, 99142 + ... + 182949.

It is an arithmetic number, because the mean of its divisors is an integer number (428497748).

Almost surely, 2^11820741264 is an apocalyptic number.

It is an amenable number.

11820741264 is an abundant number, since it is smaller than the sum of its proper divisors (22459078576).

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

11820741264 is a wasteful number, since it uses less digits than its factorization.

11820741264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282205 (or 282193 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 11820741264 in words is "eleven billion, eight hundred twenty million, seven hundred forty-one thousand, two hundred sixty-four".