8515054063 has 4 divisors (see below), whose sum is σ = 8534275848. Its totient is φ = 8495832280.

The previous prime is 8515054057. The next prime is 8515054081. The reversal of 8515054063 is 3604505158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8515054063 - 2²⁹ = 7978183151 is a prime.

It is a super-2 number, since 2×8515054063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8515051063) 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, 9610228 + ... + 9611113.

It is an arithmetic number, because the mean of its divisors is an integer number (2133568962).

Almost surely, 2^8515054063 is an apocalyptic number.

8515054063 is a deficient number, since it is larger than the sum of its proper divisors (19221785).

8515054063 is a wasteful number, since it uses less digits than its factorization.

8515054063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19221784.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 8515054063 is about 92277.0505759693. The cubic root of 8515054063 is about 2042.0316539786.

The spelling of 8515054063 in words is "eight billion, five hundred fifteen million, fifty-four thousand, sixty-three".