1611052203 has 8 divisors (see below), whose sum is σ = 2161752208. Its totient is φ = 1067193504.

The previous prime is 1611052193. The next prime is 1611052207. The reversal of 1611052203 is 3022501161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1611052203 - 2⁶ = 1611052139 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 1611052203.

It is not an unprimeable number, because it can be changed into a prime (1611052207) 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 in 7 ways as a sum of consecutive naturals, for example, 1709776 + ... + 1710717.

It is an arithmetic number, because the mean of its divisors is an integer number (270219026).

Almost surely, 2^1611052203 is an apocalyptic number.

1611052203 is a deficient number, since it is larger than the sum of its proper divisors (550700005).

1611052203 is a wasteful number, since it uses less digits than its factorization.

1611052203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420653.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1611052203 is about 40137.9147814133. The cubic root of 1611052203 is about 1172.2939878669.

Adding to 1611052203 its reverse (3022501161), we get a palindrome (4633553364).

The spelling of 1611052203 in words is "one billion, six hundred eleven million, fifty-two thousand, two hundred three".