11826020055 has 48 divisors (see below), whose sum is σ = 20449128960. Its totient is φ = 5824807296.

The previous prime is 11826020053. The next prime is 11826020057. The reversal of 11826020055 is 55002062811.

It is an interprime number because it is at equal distance from previous prime (11826020053) and next prime (11826020057).

It is not a de Polignac number, because 11826020055 - 2¹ = 11826020053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11826020051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269766 + ... + 310524.

It is an arithmetic number, because the mean of its divisors is an integer number (426023520).

Almost surely, 2^11826020055 is an apocalyptic number.

11826020055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11826020055 is a deficient number, since it is larger than the sum of its proper divisors (8623108905).

11826020055 is a wasteful number, since it uses less digits than its factorization.

11826020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40848 (or 40819 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 11826020055 its reverse (55002062811), we get a palindrome (66828082866).

The spelling of 11826020055 in words is "eleven billion, eight hundred twenty-six million, twenty thousand, fifty-five".