2065800956915 has 16 divisors (see below), whose sum is σ = 2554253198112. Its totient is φ = 1602737051904.

The previous prime is 2065800956887. The next prime is 2065800956929. The reversal of 2065800956915 is 5196590085602.

It is a cyclic number.

It is not a de Polignac number, because 2065800956915 - 2⁴⁰ = 966289329139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18129674 + ... + 18243263.

It is an arithmetic number, because the mean of its divisors is an integer number (159640824882).

Almost surely, 2^{2065800956915} is an apocalyptic number.

2065800956915 is a deficient number, since it is larger than the sum of its proper divisors (488452241197).

2065800956915 is a wasteful number, since it uses less digits than its factorization.

2065800956915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36373286.

The product of its (nonzero) digits is 5832000, while the sum is 56.

The spelling of 2065800956915 in words is "two trillion, sixty-five billion, eight hundred million, nine hundred fifty-six thousand, nine hundred fifteen".