7115065561001 has 4 divisors (see below), whose sum is σ = 7115086051332. Its totient is φ = 7115045070672.

The previous prime is 7115065560971. The next prime is 7115065561069. The reversal of 7115065561001 is 1001655605117.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5440784837401 + 1674280723600 = 2332549^2 + 1293940^2 .

It is a cyclic number.

It is not a de Polignac number, because 7115065561001 - 2²² = 7115061366697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7115065566001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9715166 + ... + 10421831.

It is an arithmetic number, because the mean of its divisors is an integer number (1778771512833).

Almost surely, 2^{7115065561001} is an apocalyptic number.

It is an amenable number.

7115065561001 is a deficient number, since it is larger than the sum of its proper divisors (20490331).

7115065561001 is a wasteful number, since it uses less digits than its factorization.

7115065561001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20490330.

The product of its (nonzero) digits is 31500, while the sum is 38.

The spelling of 7115065561001 in words is "seven trillion, one hundred fifteen billion, sixty-five million, five hundred sixty-one thousand, one".