2056781265115 has 8 divisors (see below), whose sum is σ = 2468475339120. Its totient is φ = 1645199798112.

The previous prime is 2056781265101. The next prime is 2056781265173. The reversal of 2056781265115 is 5115621876502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2056781265115 - 2⁵ = 2056781265083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28111560 + ... + 28184629.

It is an arithmetic number, because the mean of its divisors is an integer number (308559417390).

Almost surely, 2^{2056781265115} is an apocalyptic number.

2056781265115 is a deficient number, since it is larger than the sum of its proper divisors (411694074005).

2056781265115 is an equidigital number, since it uses as much as digits as its factorization.

2056781265115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56303501.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 2056781265115 in words is "two trillion, fifty-six billion, seven hundred eighty-one million, two hundred sixty-five thousand, one hundred fifteen".