3128379788159 has 4 divisors (see below), whose sum is σ = 3128402831016. Its totient is φ = 3128356745304.

The previous prime is 3128379788153. The next prime is 3128379788197. The reversal of 3128379788159 is 9518879738213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3128379788159 - 2¹⁶ = 3128379722623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3128379788092 and 3128379788101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128379788153) 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, 11316569 + ... + 11589714.

It is an arithmetic number, because the mean of its divisors is an integer number (782100707754).

Almost surely, 2^{3128379788159} is an apocalyptic number.

3128379788159 is a deficient number, since it is larger than the sum of its proper divisors (23042857).

3128379788159 is a wasteful number, since it uses less digits than its factorization.

3128379788159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042856.

The product of its digits is 182891520, while the sum is 71.

The spelling of 3128379788159 in words is "three trillion, one hundred twenty-eight billion, three hundred seventy-nine million, seven hundred eighty-eight thousand, one hundred fifty-nine".