11990141 has 2 divisors, whose sum is σ = 11990142. Its totient is φ = 11990140.

The previous prime is 11990131. The next prime is 11990171. The reversal of 11990141 is 14109911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 60025 = 3454^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11990141 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11990141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11990101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5995070 + 5995071.

It is an arithmetic number, because the mean of its divisors is an integer number (5995071).

Almost surely, 2^11990141 is an apocalyptic number.

It is an amenable number.

11990141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11990141 is an equidigital number, since it uses as much as digits as its factorization.

11990141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 11990141 is about 3462.6782986584. The cubic root of 11990141 is about 228.8801327893.

The spelling of 11990141 in words is "eleven million, nine hundred ninety thousand, one hundred forty-one".