11161608203 has 2 divisors, whose sum is σ = 11161608204. Its totient is φ = 11161608202.

The previous prime is 11161608173. The next prime is 11161608217. The reversal of 11161608203 is 30280616111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11161608203 - 2¹⁰ = 11161607179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11161608253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580804101 + 5580804102.

It is an arithmetic number, because the mean of its divisors is an integer number (5580804102).

Almost surely, 2^11161608203 is an apocalyptic number.

11161608203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161608203 is an equidigital number, since it uses as much as digits as its factorization.

11161608203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 11161608203 in words is "eleven billion, one hundred sixty-one million, six hundred eight thousand, two hundred three".