11098541 has 2 divisors, whose sum is σ = 11098542. Its totient is φ = 11098540.

The previous prime is 11098531. The next prime is 11098543. The reversal of 11098541 is 14589011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 568516 = 3245^2 + 754^2 .

It is an emirp because it is prime and its reverse (14589011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11098541 is a prime.

It is a super-2 number, since 2×11098541² = 246355224657362, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 11098543, it forms a pair of twin primes.

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 (11098543) 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 as a sum of consecutive naturals, namely, 5549270 + 5549271.

It is an arithmetic number, because the mean of its divisors is an integer number (5549271).

Almost surely, 2^11098541 is an apocalyptic number.

It is an amenable number.

11098541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11098541 is an equidigital number, since it uses as much as digits as its factorization.

11098541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 11098541 is about 3331.4472830888. The cubic root of 11098541 is about 223.0601364758.

The spelling of 11098541 in words is "eleven million, ninety-eight thousand, five hundred forty-one".