128283581085045 has 16 divisors (see below), whose sum is σ = 205254904634880. Its totient is φ = 68417518279104.

The previous prime is 128283581085001. The next prime is 128283581085061. The reversal of 128283581085045 is 540580185382821.

It is not a de Polignac number, because 128283581085045 - 2⁷ = 128283581084917 is a prime.

It is a super-3 number, since 3×128283581085045³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128283581085045.

It is a congruent number.

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, 21759490 + ... + 27019299.

It is an arithmetic number, because the mean of its divisors is an integer number (12828431539680).

Almost surely, 2^{128283581085045} is an apocalyptic number.

128283581085045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128283581085045 is a deficient number, since it is larger than the sum of its proper divisors (76971323549835).

128283581085045 is a wasteful number, since it uses less digits than its factorization.

128283581085045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48954124.

The product of its (nonzero) digits is 24576000, while the sum is 60.

The spelling of 128283581085045 in words is "one hundred twenty-eight trillion, two hundred eighty-three billion, five hundred eighty-one million, eighty-five thousand, forty-five".