2125841361 has 16 divisors (see below), whose sum is σ = 3251702784. Its totient is φ = 1210144464.

The previous prime is 2125841339. The next prime is 2125841369. The reversal of 2125841361 is 1631485212.

It is not a de Polignac number, because 2125841361 - 2⁵ = 2125841329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125841369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186931 + ... + 197976.

It is an arithmetic number, because the mean of its divisors is an integer number (203231424).

Almost surely, 2^2125841361 is an apocalyptic number.

2125841361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2125841361 is a deficient number, since it is larger than the sum of its proper divisors (1125861423).

2125841361 is a wasteful number, since it uses less digits than its factorization.

2125841361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385180.

The product of its digits is 11520, while the sum is 33.

The square root of 2125841361 is about 46106.8472246802. The cubic root of 2125841361 is about 1285.8104494934.

The spelling of 2125841361 in words is "two billion, one hundred twenty-five million, eight hundred forty-one thousand, three hundred sixty-one".