2108985483815 has 16 divisors (see below), whose sum is σ = 2897250273792. Its totient is φ = 1443697812384.

The previous prime is 2108985483797. The next prime is 2108985483833. The reversal of 2108985483815 is 5183845898012.

It is an interprime number because it is at equal distance from previous prime (2108985483797) and next prime (2108985483833).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108985483815 is a prime.

It is a congruent number.

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, 51305459 + ... + 51346548.

It is an arithmetic number, because the mean of its divisors is an integer number (181078142112).

Almost surely, 2^{2108985483815} is an apocalyptic number.

2108985483815 is a deficient number, since it is larger than the sum of its proper divisors (788264789977).

2108985483815 is a wasteful number, since it uses less digits than its factorization.

2108985483815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102652606.

The product of its (nonzero) digits is 22118400, while the sum is 62.

The spelling of 2108985483815 in words is "two trillion, one hundred eight billion, nine hundred eighty-five million, four hundred eighty-three thousand, eight hundred fifteen".