7140611061 has 12 divisors (see below), whose sum is σ = 10318103692. Its totient is φ = 4758613056.

The previous prime is 7140611057. The next prime is 7140611069. The reversal of 7140611061 is 1601160417.

7140611061 is a `hidden beast` number, since 7 + 1 + 40 + 611 + 0 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3782988036 + 3357623025 = 61506^2 + 57945^2 .

It is not a de Polignac number, because 7140611061 - 2² = 7140611057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140611069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124096 + ... + 172281.

Almost surely, 2^7140611061 is an apocalyptic number.

It is an amenable number.

7140611061 is a deficient number, since it is larger than the sum of its proper divisors (3177492631).

7140611061 is a wasteful number, since it uses less digits than its factorization.

7140611061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299060 (or 299057 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 7140611061 is about 84502.1364286134. The cubic root of 7140611061 is about 1925.6549015658.

Adding to 7140611061 its reverse (1601160417), we get a palindrome (8741771478).

The spelling of 7140611061 in words is "seven billion, one hundred forty million, six hundred eleven thousand, sixty-one".