2115203165789 has 8 divisors (see below), whose sum is σ = 2427489588480. Its totient is φ = 1805445378576.

The previous prime is 2115203165741. The next prime is 2115203165791. The reversal of 2115203165789 is 9875613025112.

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

It is not a de Polignac number, because 2115203165789 - 2⁸ = 2115203165533 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 (2115203165689) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 632157074 + ... + 632160419.

It is an arithmetic number, because the mean of its divisors is an integer number (303436198560).

Almost surely, 2^{2115203165789} is an apocalyptic number.

It is an amenable number.

2115203165789 is a deficient number, since it is larger than the sum of its proper divisors (312286422691).

2115203165789 is a wasteful number, since it uses less digits than its factorization.

2115203165789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264317739.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 2115203165789 in words is "two trillion, one hundred fifteen billion, two hundred three million, one hundred sixty-five thousand, seven hundred eighty-nine".