12511339848 has 384 divisors, whose sum is σ = 42214348800. Its totient is φ = 3270758400.

The previous prime is 12511339847. The next prime is 12511339853. The reversal of 12511339848 is 84893311521.

12511339848 is a `hidden beast` number, since 1 + 2 + 511 + 3 + 3 + 98 + 48 = 666.

It is not an unprimeable number, because it can be changed into a prime (12511339847) 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 95 ways as a sum of consecutive naturals, for example, 24013828 + ... + 24014348.

It is an arithmetic number, because the mean of its divisors is an integer number (109933200).

Almost surely, 2^12511339848 is an apocalyptic number.

12511339848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12511339848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21107174400).

12511339848 is an abundant number, since it is smaller than the sum of its proper divisors (29703008952).

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

12511339848 is a wasteful number, since it uses less digits than its factorization.

12511339848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 646 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 12511339848 in words is "twelve billion, five hundred eleven million, three hundred thirty-nine thousand, eight hundred forty-eight".