128350275037 has 4 divisors (see below), whose sum is σ = 132776146620. Its totient is φ = 123924403456.

The previous prime is 128350274959. The next prime is 128350275041. The reversal of 128350275037 is 730572053821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 730572053821 = 41 ⋅17818830581.

It can be written as a sum of positive squares in 2 ways, for example, as 39463411716 + 88886863321 = 198654^2 + 298139^2 .

It is a cyclic number.

It is not a de Polignac number, because 128350275037 - 2²⁷ = 128216057309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128350274984 and 128350275002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128350279037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212935748 + ... + 2212935805.

It is an arithmetic number, because the mean of its divisors is an integer number (33194036655).

Almost surely, 2^128350275037 is an apocalyptic number.

It is an amenable number.

128350275037 is a deficient number, since it is larger than the sum of its proper divisors (4425871583).

128350275037 is an equidigital number, since it uses as much as digits as its factorization.

128350275037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425871582.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 128350275037 in words is "one hundred twenty-eight billion, three hundred fifty million, two hundred seventy-five thousand, thirty-seven".