128363848981452 has 72 divisors (see below), whose sum is σ = 370898908257696. Its totient is φ = 36668461238784.

The previous prime is 128363848981427. The next prime is 128363848981513. The reversal of 128363848981452 is 254189848363821.

128363848981452 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 6 + 3 + 84 + 8 + 98 + 1 + 452 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46747123 + ... + 49416810.

Almost surely, 2^{128363848981452} is an apocalyptic number.

128363848981452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128363848981452 is an abundant number, since it is smaller than the sum of its proper divisors (242535059276244).

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

128363848981452 is a wasteful number, since it uses less digits than its factorization.

128363848981452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96169247 (or 96169242 counting only the distinct ones).

The product of its digits is 637009920, while the sum is 72.

The spelling of 128363848981452 in words is "one hundred twenty-eight trillion, three hundred sixty-three billion, eight hundred forty-eight million, nine hundred eighty-one thousand, four hundred fifty-two".