8542158415 has 16 divisors (see below), whose sum is σ = 12331537920. Its totient is φ = 5549191200.

The previous prime is 8542158413. The next prime is 8542158451. The reversal of 8542158415 is 5148512458.

It is not a de Polignac number, because 8542158415 - 2¹ = 8542158413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542158413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6422011 + ... + 6423340.

It is an arithmetic number, because the mean of its divisors is an integer number (770721120).

Almost surely, 2^8542158415 is an apocalyptic number.

8542158415 is a deficient number, since it is larger than the sum of its proper divisors (3789379505).

8542158415 is a wasteful number, since it uses less digits than its factorization.

8542158415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12845382.

The product of its digits is 256000, while the sum is 43.

The square root of 8542158415 is about 92423.7978823636. The cubic root of 8542158415 is about 2044.1960294393.

The spelling of 8542158415 in words is "eight billion, five hundred forty-two million, one hundred fifty-eight thousand, four hundred fifteen".