12535504896 has 224 divisors, whose sum is σ = 35506810368. Its totient is φ = 3925278720.

The previous prime is 12535504837. The next prime is 12535504921. The reversal of 12535504896 is 69840553521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37871451 + ... + 37871781.

Almost surely, 2^12535504896 is an apocalyptic number.

12535504896 is a gapful number since it is divisible by the number (16) 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 12535504896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17753405184).

12535504896 is an abundant number, since it is smaller than the sum of its proper divisors (22971305472).

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

12535504896 is an equidigital number, since it uses as much as digits as its factorization.

12535504896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 12535504896 in words is "twelve billion, five hundred thirty-five million, five hundred four thousand, eight hundred ninety-six".