8515137945 has 16 divisors (see below), whose sum is σ = 14341285440. Its totient is φ = 4302385344.

The previous prime is 8515137913. The next prime is 8515137979. The reversal of 8515137945 is 5497315158.

It is not a de Polignac number, because 8515137945 - 2⁵ = 8515137913 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8515137894 and 8515137903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14938554 + ... + 14939123.

It is an arithmetic number, because the mean of its divisors is an integer number (896330340).

Almost surely, 2^8515137945 is an apocalyptic number.

It is an amenable number.

8515137945 is a deficient number, since it is larger than the sum of its proper divisors (5826147495).

8515137945 is a wasteful number, since it uses less digits than its factorization.

8515137945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29877704.

The product of its digits is 756000, while the sum is 48.

The square root of 8515137945 is about 92277.5050865594. The cubic root of 8515137945 is about 2042.0383593241.

The spelling of 8515137945 in words is "eight billion, five hundred fifteen million, one hundred thirty-seven thousand, nine hundred forty-five".