7128315151 has 4 divisors (see below), whose sum is σ = 7130235600. Its totient is φ = 7126394704.

The previous prime is 7128315133. The next prime is 7128315163. The reversal of 7128315151 is 1515138217.

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

It is a cyclic number.

It is not a de Polignac number, because 7128315151 - 2⁹ = 7128314639 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 (7128315451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954646 + ... + 962083.

It is an arithmetic number, because the mean of its divisors is an integer number (1782558900).

Almost surely, 2^7128315151 is an apocalyptic number.

7128315151 is a deficient number, since it is larger than the sum of its proper divisors (1920449).

7128315151 is a wasteful number, since it uses less digits than its factorization.

7128315151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920448.

The product of its digits is 8400, while the sum is 34.

The square root of 7128315151 is about 84429.3500567190. The cubic root of 7128315151 is about 1924.5489605888.

The spelling of 7128315151 in words is "seven billion, one hundred twenty-eight million, three hundred fifteen thousand, one hundred fifty-one".