4011601651105 has 4 divisors (see below), whose sum is σ = 4813921981332. Its totient is φ = 3209281320880.

The previous prime is 4011601651067. The next prime is 4011601651163. The reversal of 4011601651105 is 5011561061104.

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 2428959654144 + 1582641996961 = 1558512^2 + 1258031^2 .

It is not a de Polignac number, because 4011601651105 - 2²⁵ = 4011568096673 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401160165106 + ... + 401160165115.

It is an arithmetic number, because the mean of its divisors is an integer number (1203480495333).

Almost surely, 2^{4011601651105} is an apocalyptic number.

It is an amenable number.

4011601651105 is a deficient number, since it is larger than the sum of its proper divisors (802320330227).

4011601651105 is an equidigital number, since it uses as much as digits as its factorization.

4011601651105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802320330226.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 4011601651105 in words is "four trillion, eleven billion, six hundred one million, six hundred fifty-one thousand, one hundred five".