11101191712493 has 2 divisors, whose sum is σ = 11101191712494. Its totient is φ = 11101191712492.

The previous prime is 11101191712469. The next prime is 11101191712631. The reversal of 11101191712493 is 39421719110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8565766053289 + 2535425659204 = 2926733^2 + 1592302^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101191712493 - 2¹⁰ = 11101191711469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11101191712493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101191712433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550595856246 + 5550595856247.

It is an arithmetic number, because the mean of its divisors is an integer number (5550595856247).

Almost surely, 2^{11101191712493} is an apocalyptic number.

It is an amenable number.

11101191712493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101191712493 is an equidigital number, since it uses as much as digits as its factorization.

11101191712493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 41.

The spelling of 11101191712493 in words is "eleven trillion, one hundred one billion, one hundred ninety-one million, seven hundred twelve thousand, four hundred ninety-three".