12881527536 has 40 divisors (see below), whose sum is σ = 33349521744. Its totient is φ = 4284520960.

The previous prime is 12881527531. The next prime is 12881527543. The reversal of 12881527536 is 63572518821.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881527531) 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 7 ways as a sum of consecutive naturals, for example, 268941 + ... + 313196.

Almost surely, 2^12881527536 is an apocalyptic number.

12881527536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12881527536 is an abundant number, since it is smaller than the sum of its proper divisors (20467994208).

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

12881527536 is a wasteful number, since it uses less digits than its factorization.

12881527536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582609 (or 582603 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The spelling of 12881527536 in words is "twelve billion, eight hundred eighty-one million, five hundred twenty-seven thousand, five hundred thirty-six".