11198501 has 2 divisors, whose sum is σ = 11198502. Its totient is φ = 11198500.

The previous prime is 11198497. The next prime is 11198507. The reversal of 11198501 is 10589111.

11198501 is nontrivially palindromic in base 13.

11198501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5885476 + 5313025 = 2426^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 11198501 - 2² = 11198497 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11198507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599250 + 5599251.

It is an arithmetic number, because the mean of its divisors is an integer number (5599251).

Almost surely, 2^11198501 is an apocalyptic number.

It is an amenable number.

11198501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11198501 is an equidigital number, since it uses as much as digits as its factorization.

11198501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 11198501 is about 3346.4161426816. The cubic root of 11198501 is about 223.7278063357.

The spelling of 11198501 in words is "eleven million, one hundred ninety-eight thousand, five hundred one".