7636186123225 has 81 divisors (see below), whose sum is σ = 10644046335741. Its totient is φ = 5430343828800.

The previous prime is 7636186123193. The next prime is 7636186123261. The reversal of 7636186123225 is 5223216816367.

The square root of 7636186123225 is 2763365.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 229689189081 + 7406496934144 = 479259^2 + 2721488^2 .

It is not a de Polignac number, because 7636186123225 - 2⁵ = 7636186123193 is a prime.

It is a super-2 number, since 2×7636186123225² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 7143297991 + ... + 7143299059.

Almost surely, 2^{7636186123225} is an apocalyptic number.

7636186123225 is the 2763365-th square number.

7636186123225 is the 1381683-rd centered octagonal number.

It is an amenable number.

7636186123225 is a deficient number, since it is larger than the sum of its proper divisors (3007860212516).

7636186123225 is an equidigital number, since it uses as much as digits as its factorization.

7636186123225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 1132 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 7636186123225 in words is "seven trillion, six hundred thirty-six billion, one hundred eighty-six million, one hundred twenty-three thousand, two hundred twenty-five".