7152988721 has 8 divisors (see below), whose sum is σ = 7241314080. Its totient is φ = 7064714592.

The previous prime is 7152988693. The next prime is 7152988727. The reversal of 7152988721 is 1278892517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7152988721 - 2¹⁰ = 7152987697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7152988721.

It is not an unprimeable number, because it can be changed into a prime (7152988727) 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 7 ways as a sum of consecutive naturals, for example, 321485 + ... + 343013.

It is an arithmetic number, because the mean of its divisors is an integer number (905164260).

Almost surely, 2^7152988721 is an apocalyptic number.

It is an amenable number.

7152988721 is a deficient number, since it is larger than the sum of its proper divisors (88325359).

7152988721 is a wasteful number, since it uses less digits than its factorization.

7152988721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25615.

The product of its digits is 564480, while the sum is 50.

The square root of 7152988721 is about 84575.3434577714. The cubic root of 7152988721 is about 1926.7669139054.

The spelling of 7152988721 in words is "seven billion, one hundred fifty-two million, nine hundred eighty-eight thousand, seven hundred twenty-one".