5645011203 has 32 divisors (see below), whose sum is σ = 9043791680. Its totient is φ = 3459386880.

The previous prime is 5645011201. The next prime is 5645011219. The reversal of 5645011203 is 3021105465.

5645011203 is a `hidden beast` number, since 5 + 6 + 450 + 1 + 1 + 203 = 666.

It is not a de Polignac number, because 5645011203 - 2¹ = 5645011201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51225 + ... + 117957.

It is an arithmetic number, because the mean of its divisors is an integer number (282618490).

Almost surely, 2^5645011203 is an apocalyptic number.

5645011203 is a deficient number, since it is larger than the sum of its proper divisors (3398780477).

5645011203 is a wasteful number, since it uses less digits than its factorization.

5645011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66996 (or 66990 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5645011203 is about 75133.2895792537. The cubic root of 5645011203 is about 1780.5531255596.

Adding to 5645011203 its reverse (3021105465), we get a palindrome (8666116668).

The spelling of 5645011203 in words is "five billion, six hundred forty-five million, eleven thousand, two hundred three".