1105601641 has 2 divisors, whose sum is σ = 1105601642. Its totient is φ = 1105601640.

The previous prime is 1105601591. The next prime is 1105601657. The reversal of 1105601641 is 1461065011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614048400 + 491553241 = 24780^2 + 22171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105601641 - 2¹⁵ = 1105568873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105601141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552800820 + 552800821.

It is an arithmetic number, because the mean of its divisors is an integer number (552800821).

Almost surely, 2^1105601641 is an apocalyptic number.

It is an amenable number.

1105601641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105601641 is an equidigital number, since it uses as much as digits as its factorization.

1105601641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1105601641 is about 33250.5885812567. The cubic root of 1105601641 is about 1034.0294108364.

Adding to 1105601641 its reverse (1461065011), we get a palindrome (2566666652).

The spelling of 1105601641 in words is "one billion, one hundred five million, six hundred one thousand, six hundred forty-one".