8545454874121 has 27 divisors (see below), whose sum is σ = 9435508196583. Its totient is φ = 7733545440720.

The previous prime is 8545454874107. The next prime is 8545454874137. The reversal of 8545454874121 is 1214784545458.

The square root of 8545454874121 is 2923261.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8085179468025 + 460275406096 = 2843445^2 + 678436^2 .

It is not a de Polignac number, because 8545454874121 - 2¹⁵ = 8545454841353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8545454874101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9421669750 + ... + 9421670656.

Almost surely, 2^{8545454874121} is an apocalyptic number.

8545454874121 is the 2923261-st square number.

8545454874121 is the 1461631-st centered octagonal number.

It is an amenable number.

8545454874121 is a deficient number, since it is larger than the sum of its proper divisors (890053322462).

8545454874121 is an frugal number, since it uses more digits than its factorization.

8545454874121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 1211 counting only the distinct ones).

The product of its digits is 28672000, while the sum is 58.

The spelling of 8545454874121 in words is "eight trillion, five hundred forty-five billion, four hundred fifty-four million, eight hundred seventy-four thousand, one hundred twenty-one".