11864833155 has 64 divisors (see below), whose sum is σ = 24185441280. Its totient is φ = 5406124032.

The previous prime is 11864833111. The next prime is 11864833159. The reversal of 11864833155 is 55133846811.

11864833155 is a `hidden beast` number, since 1 + 18 + 6 + 483 + 3 + 155 = 666.

11864833155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11864833155 - 2⁶ = 11864833091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11864833155.

It is not an unprimeable number, because it can be changed into a prime (11864833159) 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 63 ways as a sum of consecutive naturals, for example, 269667 + ... + 310563.

It is an arithmetic number, because the mean of its divisors is an integer number (377897520).

Almost surely, 2^11864833155 is an apocalyptic number.

11864833155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11864833155 is an abundant number, since it is smaller than the sum of its proper divisors (12320608125).

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

11864833155 is a wasteful number, since it uses less digits than its factorization.

11864833155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41225 (or 41219 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 11864833155 in words is "eleven billion, eight hundred sixty-four million, eight hundred thirty-three thousand, one hundred fifty-five".