12881254554 has 288 divisors, whose sum is σ = 35972052480. Its totient is φ = 3444647472.

The previous prime is 12881254517. The next prime is 12881254559. The reversal of 12881254554 is 45545218821.

12881254554 is a `hidden beast` number, since 1 + 2 + 88 + 12 + 5 + 4 + 554 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881254559) 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 143 ways as a sum of consecutive naturals, for example, 155195797 + ... + 155195879.

It is an arithmetic number, because the mean of its divisors is an integer number (124902960).

Almost surely, 2^12881254554 is an apocalyptic number.

12881254554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12881254554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17986026240).

12881254554 is an abundant number, since it is smaller than the sum of its proper divisors (23090797926).

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

12881254554 is an frugal number, since it uses more digits than its factorization.

12881254554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 114 counting only the distinct ones).

The product of its digits is 512000, while the sum is 45.

The spelling of 12881254554 in words is "twelve billion, eight hundred eighty-one million, two hundred fifty-four thousand, five hundred fifty-four".