7151428517 has 4 divisors (see below), whose sum is σ = 7174423776. Its totient is φ = 7128433260.

The previous prime is 7151428511. The next prime is 7151428541. The reversal of 7151428517 is 7158241517.

7151428517 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7151428517 is a prime.

It is a super-2 number, since 2×7151428517² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7151428511) 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, 11497163 + ... + 11497784.

It is an arithmetic number, because the mean of its divisors is an integer number (1793605944).

Almost surely, 2^7151428517 is an apocalyptic number.

It is an amenable number.

7151428517 is a deficient number, since it is larger than the sum of its proper divisors (22995259).

7151428517 is a wasteful number, since it uses less digits than its factorization.

7151428517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22995258.

The product of its digits is 78400, while the sum is 41.

The square root of 7151428517 is about 84566.1192026689. The cubic root of 7151428517 is about 1926.6268154488.

The spelling of 7151428517 in words is "seven billion, one hundred fifty-one million, four hundred twenty-eight thousand, five hundred seventeen".