2056516644445 has 16 divisors (see below), whose sum is σ = 2554768424448. Its totient is φ = 1587553571520.

The previous prime is 2056516644433. The next prime is 2056516644463. The reversal of 2056516644445 is 5444466156502.

It is not a de Polignac number, because 2056516644445 - 2⁷ = 2056516644317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2056516644392 and 2056516644401.

It is a congruent 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, 19064154 + ... + 19171723.

It is an arithmetic number, because the mean of its divisors is an integer number (159673026528).

Almost surely, 2^{2056516644445} is an apocalyptic number.

It is an amenable number.

2056516644445 is a deficient number, since it is larger than the sum of its proper divisors (498251780003).

2056516644445 is a wasteful number, since it uses less digits than its factorization.

2056516644445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38236260.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 2056516644445 in words is "two trillion, fifty-six billion, five hundred sixteen million, six hundred forty-four thousand, four hundred forty-five".