2154041105 has 16 divisors (see below), whose sum is σ = 2657817360. Its totient is φ = 1675185408.

The previous prime is 2154041093. The next prime is 2154041147. The reversal of 2154041105 is 5011404512.

It can be written as a sum of positive squares in 8 ways, for example, as 133448704 + 2020592401 = 11552^2 + 44951^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154041105 - 2⁶ = 2154041041 is a prime.

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, 8402 + ... + 66171.

It is an arithmetic number, because the mean of its divisors is an integer number (166113585).

Almost surely, 2^2154041105 is an apocalyptic number.

It is an amenable number.

2154041105 is a deficient number, since it is larger than the sum of its proper divisors (503776255).

2154041105 is a wasteful number, since it uses less digits than its factorization.

2154041105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74740.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2154041105 is about 46411.6483762428. The cubic root of 2154041105 is about 1291.4710108824.

Adding to 2154041105 its reverse (5011404512), we get a palindrome (7165445617).

The spelling of 2154041105 in words is "two billion, one hundred fifty-four million, forty-one thousand, one hundred five".