2136111625 has 16 divisors (see below), whose sum is σ = 2822685840. Its totient is φ = 1608364800.

The previous prime is 2136111623. The next prime is 2136111631. The reversal of 2136111625 is 5261116312.

It can be written as a sum of positive squares in 8 ways, for example, as 21307456 + 2114804169 = 4616^2 + 45987^2 .

It is not a de Polignac number, because 2136111625 - 2¹ = 2136111623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2136111593 and 2136111602.

It is not an unprimeable number, because it can be changed into a prime (2136111623) by changing a digit.

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, 500490 + ... + 504739.

It is an arithmetic number, because the mean of its divisors is an integer number (176417865).

Almost surely, 2^2136111625 is an apocalyptic number.

2136111625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2136111625 is a deficient number, since it is larger than the sum of its proper divisors (686574215).

2136111625 is a wasteful number, since it uses less digits than its factorization.

2136111625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005261 (or 1005251 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 2136111625 is about 46218.0876389320. The cubic root of 2136111625 is about 1287.8777727027.

Adding to 2136111625 its reverse (5261116312), we get a palindrome (7397227937).

The spelling of 2136111625 in words is "two billion, one hundred thirty-six million, one hundred eleven thousand, six hundred twenty-five".