7106836198225 has 27 divisors (see below), whose sum is σ = 8869584425499. Its totient is φ = 5648861300400.

The previous prime is 7106836198201. The next prime is 7106836198229. The reversal of 7106836198225 is 5228916386017.

The square root of 7106836198225 is 2665865.

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

It can be written as a sum of positive squares in only one way, i.e., 2558461031361 + 4548375166864 = 1599519^2 + 2132692^2 .

It is not a de Polignac number, because 7106836198225 - 2¹¹ = 7106836196177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7106836198225.

It is not an unprimeable number, because it can be changed into a prime (7106836198229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2172678340 + ... + 2172681610.

Almost surely, 2^{7106836198225} is an apocalyptic number.

7106836198225 is the 2665865-th square number.

7106836198225 is the 1332933-rd centered octagonal number.

It is an amenable number.

7106836198225 is a deficient number, since it is larger than the sum of its proper divisors (1762748227274).

7106836198225 is an frugal number, since it uses more digits than its factorization.

7106836198225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 7106836198225 in words is "seven trillion, one hundred six billion, eight hundred thirty-six million, one hundred ninety-eight thousand, two hundred twenty-five".