5661024145 has 12 divisors (see below), whose sum is σ = 7902327924. Its totient is φ = 3881844960.

The previous prime is 5661024139. The next prime is 5661024151. The reversal of 5661024145 is 5414201665.

It is an interprime number because it is at equal distance from previous prime (5661024139) and next prime (5661024151).

It can be written as a sum of positive squares in 2 ways, for example, as 3295563649 + 2365460496 = 57407^2 + 48636^2 .

It is not a de Polignac number, because 5661024145 - 2¹¹ = 5661022097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5661024145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11552866 + ... + 11553355.

It is an arithmetic number, because the mean of its divisors is an integer number (658527327).

Almost surely, 2^5661024145 is an apocalyptic number.

It is an amenable number.

5661024145 is a deficient number, since it is larger than the sum of its proper divisors (2241303779).

5661024145 is a wasteful number, since it uses less digits than its factorization.

5661024145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23106240 (or 23106233 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 5661024145 is about 75239.7776777683. Note that the first 3 decimals coincide. The cubic root of 5661024145 is about 1782.2351403423.

The spelling of 5661024145 in words is "five billion, six hundred sixty-one million, twenty-four thousand, one hundred forty-five".