128253862281037 has 8 divisors (see below), whose sum is σ = 135799371968832. Its totient is φ = 120708482020800.

The previous prime is 128253862280981. The next prime is 128253862281049. The reversal of 128253862281037 is 730182268352821.

It is a happy number.

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

It is not a de Polignac number, because 128253862281037 - 2⁷ = 128253862280909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128253862201037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30313039 + ... + 34283932.

It is an arithmetic number, because the mean of its divisors is an integer number (16974921496104).

Almost surely, 2^{128253862281037} is an apocalyptic number.

128253862281037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

128253862281037 is a deficient number, since it is larger than the sum of its proper divisors (7545509687795).

128253862281037 is a wasteful number, since it uses less digits than its factorization.

128253862281037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64713779.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 128253862281037 in words is "one hundred twenty-eight trillion, two hundred fifty-three billion, eight hundred sixty-two million, two hundred eighty-one thousand, thirty-seven".