128253862281036 has 48 divisors (see below), whose sum is σ = 304167307324160. Its totient is φ = 42050113485120.

The previous prime is 128253862280981. The next prime is 128253862281049. The reversal of 128253862281036 is 630182268352821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102162825 + ... + 103410591.

Almost surely, 2^{128253862281036} is an apocalyptic number.

It is an amenable number.

128253862281036 is an abundant number, since it is smaller than the sum of its proper divisors (175913445043124).

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

128253862281036 is a wasteful number, since it uses less digits than its factorization.

128253862281036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388254 (or 1388252 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 128253862281036 in words is "one hundred twenty-eight trillion, two hundred fifty-three billion, eight hundred sixty-two million, two hundred eighty-one thousand, thirty-six".