2125081089 has 20 divisors (see below), whose sum is σ = 3191147520. Its totient is φ = 1409293080.

The previous prime is 2125081069. The next prime is 2125081099. The reversal of 2125081089 is 9801805212.

It is not a de Polignac number, because 2125081089 - 2¹¹ = 2125079041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125081069) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53209 + ... + 84150.

It is an arithmetic number, because the mean of its divisors is an integer number (159557376).

Almost surely, 2^2125081089 is an apocalyptic number.

It is an amenable number.

2125081089 is a deficient number, since it is larger than the sum of its proper divisors (1066066431).

2125081089 is a wasteful number, since it uses less digits than its factorization.

2125081089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137562 (or 137553 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 2125081089 is about 46098.6018117687. The cubic root of 2125081089 is about 1285.6571482704.

The spelling of 2125081089 in words is "two billion, one hundred twenty-five million, eighty-one thousand, eighty-nine".