12484405755 has 24 divisors (see below), whose sum is σ = 21652076160. Its totient is φ = 6654522240.

The previous prime is 12484405751. The next prime is 12484405757. The reversal of 12484405755 is 55750448421.

It is not a de Polignac number, because 12484405755 - 2² = 12484405751 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 12484405755.

It is not an unprimeable number, because it can be changed into a prime (12484405751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295 + ... + 158015.

It is an arithmetic number, because the mean of its divisors is an integer number (902169840).

Almost surely, 2^12484405755 is an apocalyptic number.

12484405755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12484405755 is a deficient number, since it is larger than the sum of its proper divisors (9167670405).

12484405755 is a wasteful number, since it uses less digits than its factorization.

12484405755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159491 (or 159488 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 12484405755 in words is "twelve billion, four hundred eighty-four million, four hundred five thousand, seven hundred fifty-five".