11198922461 has 2 divisors, whose sum is σ = 11198922462. Its totient is φ = 11198922460.

The previous prime is 11198922457. The next prime is 11198922503. The reversal of 11198922461 is 16422989111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11189619961 + 9302500 = 105781^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 11198922461 - 2² = 11198922457 is a prime.

It is a Sophie Germain 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 (11198922401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599461230 + 5599461231.

It is an arithmetic number, because the mean of its divisors is an integer number (5599461231).

Almost surely, 2^11198922461 is an apocalyptic number.

It is an amenable number.

11198922461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11198922461 is an equidigital number, since it uses as much as digits as its factorization.

11198922461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 44.

The spelling of 11198922461 in words is "eleven billion, one hundred ninety-eight million, nine hundred twenty-two thousand, four hundred sixty-one".