2661106125 has 16 divisors (see below), whose sum is σ = 4428081216. Its totient is φ = 1419256400.

The previous prime is 2661106103. The next prime is 2661106139. The reversal of 2661106125 is 5216011662.

It is not a de Polignac number, because 2661106125 - 2⁹ = 2661105613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2661106092 and 2661106101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3547767 + ... + 3548516.

It is an arithmetic number, because the mean of its divisors is an integer number (276755076).

Almost surely, 2^2661106125 is an apocalyptic number.

2661106125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2661106125 is a deficient number, since it is larger than the sum of its proper divisors (1766975091).

2661106125 is an equidigital number, since it uses as much as digits as its factorization.

2661106125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096301 (or 7096291 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2661106125 is about 51585.9101402699. The cubic root of 2661106125 is about 1385.7580119079.

Adding to 2661106125 its reverse (5216011662), we get a palindrome (7877117787).

The spelling of 2661106125 in words is "two billion, six hundred sixty-one million, one hundred six thousand, one hundred twenty-five".