2161535727595 has 8 divisors (see below), whose sum is σ = 2593874234160. Its totient is φ = 1729207674720.

The previous prime is 2161535727587. The next prime is 2161535727613. The reversal of 2161535727595 is 5957275351612.

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

It is not a de Polignac number, because 2161535727595 - 2³ = 2161535727587 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151085 + ... + 2991694.

It is an arithmetic number, because the mean of its divisors is an integer number (324234279270).

Almost surely, 2^{2161535727595} is an apocalyptic number.

2161535727595 is a deficient number, since it is larger than the sum of its proper divisors (432338506565).

2161535727595 is an equidigital number, since it uses as much as digits as its factorization.

2161535727595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226845.

The product of its digits is 19845000, while the sum is 58.

The spelling of 2161535727595 in words is "two trillion, one hundred sixty-one billion, five hundred thirty-five million, seven hundred twenty-seven thousand, five hundred ninety-five".