8541551457 has 12 divisors (see below), whose sum is σ = 12338726400. Its totient is φ = 5693938488.

The previous prime is 8541551449. The next prime is 8541551503. The reversal of 8541551457 is 7541551458.

8541551457 is a `hidden beast` number, since 8 + 5 + 41 + 551 + 4 + 57 = 666.

8541551457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8541551457 - 2³ = 8541551449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8541551357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131428 + ... + 185354.

It is an arithmetic number, because the mean of its divisors is an integer number (1028227200).

Almost surely, 2^8541551457 is an apocalyptic number.

It is an amenable number.

8541551457 is a deficient number, since it is larger than the sum of its proper divisors (3797174943).

8541551457 is a wasteful number, since it uses less digits than its factorization.

8541551457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71532 (or 71529 counting only the distinct ones).

The product of its digits is 560000, while the sum is 45.

The square root of 8541551457 is about 92420.5142649618. The cubic root of 8541551457 is about 2044.1476119137.

Subtracting from 8541551457 its reverse (7541551458), we obtain a palindrome (999999999).

The spelling of 8541551457 in words is "eight billion, five hundred forty-one million, five hundred fifty-one thousand, four hundred fifty-seven".