7151507165 has 12 divisors (see below), whose sum is σ = 9432897852. Its totient is φ = 5201095680.

The previous prime is 7151507161. The next prime is 7151507177. The reversal of 7151507165 is 5617051517.

It can be written as a sum of positive squares in 2 ways, for example, as 4957708921 + 2193798244 = 70411^2 + 46838^2 .

It is not a de Polignac number, because 7151507165 - 2² = 7151507161 is a prime.

It is a super-2 number, since 2×7151507165² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7151507161) 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, 5909732 + ... + 5910941.

It is an arithmetic number, because the mean of its divisors is an integer number (786074821).

Almost surely, 2^7151507165 is an apocalyptic number.

It is an amenable number.

7151507165 is a deficient number, since it is larger than the sum of its proper divisors (2281390687).

7151507165 is a wasteful number, since it uses less digits than its factorization.

7151507165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820700 (or 11820689 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 38.

The square root of 7151507165 is about 84566.5842103132. The cubic root of 7151507165 is about 1926.6338781305.

The spelling of 7151507165 in words is "seven billion, one hundred fifty-one million, five hundred seven thousand, one hundred sixty-five".