111056011050505 has 4 divisors (see below), whose sum is σ = 133267213260612. Its totient is φ = 88844808840400.

The previous prime is 111056011050427. The next prime is 111056011050529. The reversal of 111056011050505 is 505050110650111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69592250786809 + 41463760263696 = 8342197^2 + 6439236^2 .

It is not a de Polignac number, because 111056011050505 - 2¹¹ = 111056011048457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105601105046 + ... + 11105601105055.

It is an arithmetic number, because the mean of its divisors is an integer number (33316803315153).

Almost surely, 2^{111056011050505} is an apocalyptic number.

It is an amenable number.

111056011050505 is a deficient number, since it is larger than the sum of its proper divisors (22211202210107).

111056011050505 is an equidigital number, since it uses as much as digits as its factorization.

111056011050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211202210106.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 111056011050505 in words is "one hundred eleven trillion, fifty-six billion, eleven million, fifty thousand, five hundred five".