7115247645 has 16 divisors (see below), whose sum is σ = 12419341632. Its totient is φ = 3449816960.

The previous prime is 7115247637. The next prime is 7115247647. The reversal of 7115247645 is 5467425117.

It is not a de Polignac number, because 7115247645 - 2³ = 7115247637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7115247597 and 7115247606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115247647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21561192 + ... + 21561521.

It is an arithmetic number, because the mean of its divisors is an integer number (776208852).

Almost surely, 2^7115247645 is an apocalyptic number.

It is an amenable number.

7115247645 is a deficient number, since it is larger than the sum of its proper divisors (5304093987).

7115247645 is a wasteful number, since it uses less digits than its factorization.

7115247645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43122732.

The product of its digits is 235200, while the sum is 42.

The square root of 7115247645 is about 84351.9273342346. The cubic root of 7115247645 is about 1923.3722244395.

The spelling of 7115247645 in words is "seven billion, one hundred fifteen million, two hundred forty-seven thousand, six hundred forty-five".