11483990055 has 20 divisors (see below), whose sum is σ = 20586116232. Its totient is φ = 6124794480.

The previous prime is 11483990029. The next prime is 11483990057. The reversal of 11483990055 is 55009938411.

It is not a de Polignac number, because 11483990055 - 2⁸ = 11483989799 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11483990057) 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 19 ways as a sum of consecutive naturals, for example, 14177361 + ... + 14178170.

Almost surely, 2^11483990055 is an apocalyptic number.

11483990055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11483990055 is a deficient number, since it is larger than the sum of its proper divisors (9102126177).

11483990055 is an equidigital number, since it uses as much as digits as its factorization.

11483990055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28355548 (or 28355539 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 11483990055 in words is "eleven billion, four hundred eighty-three million, nine hundred ninety thousand, fifty-five".