7061510061 has 12 divisors (see below), whose sum is σ = 10212767292. Its totient is φ = 4701761856.

The previous prime is 7061510039. The next prime is 7061510129. The reversal of 7061510061 is 1600151607.

It can be written as a sum of positive squares in 2 ways, for example, as 4761828036 + 2299682025 = 69006^2 + 47955^2 .

It is not a de Polignac number, because 7061510061 - 2⁹ = 7061509549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061510861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485056 + ... + 499401.

It is an arithmetic number, because the mean of its divisors is an integer number (851063941).

Almost surely, 2^7061510061 is an apocalyptic number.

It is an amenable number.

7061510061 is a deficient number, since it is larger than the sum of its proper divisors (3151257231).

7061510061 is a wasteful number, since it uses less digits than its factorization.

7061510061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985260 (or 985257 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 7061510061 is about 84032.7915816201. The cubic root of 7061510061 is about 1918.5179228255.

Adding to 7061510061 its reverse (1600151607), we get a palindrome (8661661668).

The spelling of 7061510061 in words is "seven billion, sixty-one million, five hundred ten thousand, sixty-one".