16111241 has 2 divisors, whose sum is σ = 16111242. Its totient is φ = 16111240.

The previous prime is 16111171. The next prime is 16111261. The reversal of 16111241 is 14211161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 6869641 = 3040^2 + 2621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16111241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16111261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8055620 + 8055621.

It is an arithmetic number, because the mean of its divisors is an integer number (8055621).

Almost surely, 2^16111241 is an apocalyptic number.

It is an amenable number.

16111241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16111241 is an equidigital number, since it uses as much as digits as its factorization.

16111241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 17.

The square root of 16111241 is about 4013.8810395925. The cubic root of 16111241 is about 252.5668404560.

The spelling of 16111241 in words is "sixteen million, one hundred eleven thousand, two hundred forty-one".