12553850880 has 416 divisors, whose sum is σ = 45387313920. Its totient is φ = 3291217920.

The previous prime is 12553850849. The next prime is 12553850891. The reversal of 12553850880 is 8805835521.

12553850880 is a `hidden beast` number, since 12 + 5 + 53 + 8 + 508 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40365925 + ... + 40366235.

It is an arithmetic number, because the mean of its divisors is an integer number (109104120).

Almost surely, 2^12553850880 is an apocalyptic number.

12553850880 is a gapful number since it is divisible by the number (10) 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 12553850880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22693656960).

12553850880 is an abundant number, since it is smaller than the sum of its proper divisors (32833463040).

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

12553850880 is an equidigital number, since it uses as much as digits as its factorization.

12553850880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 12553850880 in words is "twelve billion, five hundred fifty-three million, eight hundred fifty thousand, eight hundred eighty".