8480315121 has 4 divisors (see below), whose sum is σ = 11307086832. Its totient is φ = 5653543412.

The previous prime is 8480315033. The next prime is 8480315209. The reversal of 8480315121 is 1215130848.

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 an interprime number because it is at equal distance from previous prime (8480315033) and next prime (8480315209).

It is a cyclic number.

It is not a de Polignac number, because 8480315121 - 2²² = 8476120817 is a prime.

It is a super-2 number, since 2×8480315121² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8480315521) 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, 1413385851 + ... + 1413385856.

It is an arithmetic number, because the mean of its divisors is an integer number (2826771708).

Almost surely, 2^8480315121 is an apocalyptic number.

It is an amenable number.

8480315121 is a deficient number, since it is larger than the sum of its proper divisors (2826771711).

8480315121 is a wasteful number, since it uses less digits than its factorization.

8480315121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826771710.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 8480315121 is about 92088.6264475695. The cubic root of 8480315121 is about 2039.2509040765.

Adding to 8480315121 its reverse (1215130848), we get a palindrome (9695445969).

The spelling of 8480315121 in words is "eight billion, four hundred eighty million, three hundred fifteen thousand, one hundred twenty-one".