2115575089 has 4 divisors (see below), whose sum is σ = 2118485824. Its totient is φ = 2112664356.

The previous prime is 2115575069. The next prime is 2115575101. The reversal of 2115575089 is 9805755112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2115575089 - 2¹³ = 2115566897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115575009) 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, 1454277 + ... + 1455730.

It is an arithmetic number, because the mean of its divisors is an integer number (529621456).

Almost surely, 2^2115575089 is an apocalyptic number.

It is an amenable number.

2115575089 is a deficient number, since it is larger than the sum of its proper divisors (2910735).

2115575089 is an equidigital number, since it uses as much as digits as its factorization.

2115575089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910734.

The product of its (nonzero) digits is 126000, while the sum is 43.

The square root of 2115575089 is about 45995.3811702871. The cubic root of 2115575089 is about 1283.7372645992.

The spelling of 2115575089 in words is "two billion, one hundred fifteen million, five hundred seventy-five thousand, eighty-nine".