2066510115615 has 32 divisors (see below), whose sum is σ = 3623174424576. Its totient is φ = 997451256960.

The previous prime is 2066510115613. The next prime is 2066510115689. The reversal of 2066510115615 is 5165110156602.

It is not a de Polignac number, because 2066510115615 - 2¹ = 2066510115613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066510115613) 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 31 ways as a sum of consecutive naturals, for example, 28044604 + ... + 28118193.

It is an arithmetic number, because the mean of its divisors is an integer number (113224200768).

Almost surely, 2^{2066510115615} is an apocalyptic number.

2066510115615 is a deficient number, since it is larger than the sum of its proper divisors (1556664308961).

2066510115615 is a wasteful number, since it uses less digits than its factorization.

2066510115615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56163039.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 2066510115615 in words is "two trillion, sixty-six billion, five hundred ten million, one hundred fifteen thousand, six hundred fifteen".