2115770550170 has 32 divisors (see below), whose sum is σ = 3825983201040. Its totient is φ = 842406935040.

The previous prime is 2115770550149. The next prime is 2115770550199. The reversal of 2115770550170 is 710550775112.

It can be written as a sum of positive squares in 8 ways, for example, as 1225225396201 + 890545153969 = 1106899^2 + 943687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324424 + ... + 2446556.

Almost surely, 2^{2115770550170} is an apocalyptic number.

2115770550170 is a deficient number, since it is larger than the sum of its proper divisors (1710212650870).

2115770550170 is a wasteful number, since it uses less digits than its factorization.

2115770550170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123010.

The product of its (nonzero) digits is 85750, while the sum is 41.

The spelling of 2115770550170 in words is "two trillion, one hundred fifteen billion, seven hundred seventy million, five hundred fifty thousand, one hundred seventy".