7086057661225 has 27 divisors (see below), whose sum is σ = 9031236180687. Its totient is φ = 5515250748480.

The previous prime is 7086057661171. The next prime is 7086057661253. The reversal of 7086057661225 is 5221667506807.

It is a happy number.

The square root of 7086057661225 is 2661965.

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

It can be written as a sum of positive squares in 13 ways, for example, as 2913859242009 + 4172198419216 = 1707003^2 + 2042596^2 .

It is not a de Polignac number, because 7086057661225 - 2⁹ = 7086057660713 is a prime.

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 26 ways as a sum of consecutive naturals, for example, 492456331 + ... + 492470719.

Almost surely, 2^{7086057661225} is an apocalyptic number.

7086057661225 is the 2661965-th square number.

7086057661225 is the 1330983-rd centered octagonal number.

It is an amenable number.

7086057661225 is a deficient number, since it is larger than the sum of its proper divisors (1945178519462).

7086057661225 is an frugal number, since it uses more digits than its factorization.

7086057661225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28862 (or 14431 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 7086057661225 in words is "seven trillion, eighty-six billion, fifty-seven million, six hundred sixty-one thousand, two hundred twenty-five".