11301321197 has 2 divisors, whose sum is σ = 11301321198. Its totient is φ = 11301321196.

The previous prime is 11301321179. The next prime is 11301321223. The reversal of 11301321197 is 79112310311.

Together with previous prime (11301321179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10726952041 + 574369156 = 103571^2 + 23966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11301321197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11301321167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650660598 + 5650660599.

It is an arithmetic number, because the mean of its divisors is an integer number (5650660599).

Almost surely, 2^11301321197 is an apocalyptic number.

It is an amenable number.

11301321197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11301321197 is an equidigital number, since it uses as much as digits as its factorization.

11301321197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The spelling of 11301321197 in words is "eleven billion, three hundred one million, three hundred twenty-one thousand, one hundred ninety-seven".