8522574774121 has 4 divisors (see below), whose sum is σ = 8971131341200. Its totient is φ = 8074018207044.

The previous prime is 8522574774059. The next prime is 8522574774191. The reversal of 8522574774121 is 1214774752258.

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 not a de Polignac number, because 8522574774121 - 2³⁹ = 7972818960233 is a prime.

It is a super-2 number, since 2×8522574774121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8522574774191) 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, 224278283511 + ... + 224278283548.

It is an arithmetic number, because the mean of its divisors is an integer number (2242782835300).

Almost surely, 2^{8522574774121} is an apocalyptic number.

It is an amenable number.

8522574774121 is a deficient number, since it is larger than the sum of its proper divisors (448556567079).

8522574774121 is a wasteful number, since it uses less digits than its factorization.

8522574774121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448556567078.

The product of its digits is 8780800, while the sum is 55.

The spelling of 8522574774121 in words is "eight trillion, five hundred twenty-two billion, five hundred seventy-four million, seven hundred seventy-four thousand, one hundred twenty-one".