2056726015 has 4 divisors (see below), whose sum is σ = 2468071224. Its totient is φ = 1645380808.

The previous prime is 2056725949. The next prime is 2056726019. The reversal of 2056726015 is 5106276502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2056726015 - 2⁷ = 2056725887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056726019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205672597 + ... + 205672606.

It is an arithmetic number, because the mean of its divisors is an integer number (617017806).

Almost surely, 2^2056726015 is an apocalyptic number.

2056726015 is a deficient number, since it is larger than the sum of its proper divisors (411345209).

2056726015 is an equidigital number, since it uses as much as digits as its factorization.

2056726015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411345208.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2056726015 is about 45351.1412756063. The cubic root of 2056726015 is about 1271.7218909199.

The spelling of 2056726015 in words is "two billion, fifty-six million, seven hundred twenty-six thousand, fifteen".