128048773441018 has 8 divisors (see below), whose sum is σ = 198696372580980. Its totient is φ = 61816649247360.

The previous prime is 128048773440961. The next prime is 128048773441037. The reversal of 128048773441018 is 810144377840821.

It can be written as a sum of positive squares in 2 ways, for example, as 119936513111809 + 8112260329209 = 10951553^2 + 2848203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (58), and also a Moran number because the ratio is a prime number: 2207737473121 = 128048773441018 / (1 + 2 + 8 + 0 + 4 + 8 + 7 + 7 + 3 + 4 + 4 + 1 + 0 + 1 + 8).

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 3 ways as a sum of consecutive naturals, for example, 1103868736503 + ... + 1103868736618.

Almost surely, 2^{128048773441018} is an apocalyptic number.

128048773441018 is a deficient number, since it is larger than the sum of its proper divisors (70647599139962).

128048773441018 is a wasteful number, since it uses less digits than its factorization.

128048773441018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207737473152.

The product of its (nonzero) digits is 9633792, while the sum is 58.

The spelling of 128048773441018 in words is "one hundred twenty-eight trillion, forty-eight billion, seven hundred seventy-three million, four hundred forty-one thousand, eighteen".