11110010099581 has 2 divisors, whose sum is σ = 11110010099582. Its totient is φ = 11110010099580.

The previous prime is 11110010099557. The next prime is 11110010099593. The reversal of 11110010099581 is 18599001001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9884264405625 + 1225745693956 = 3143925^2 + 1107134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110010099581 is a prime.

It is a super-2 number, since 2×11110010099581² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11110010099581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110010099281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555005049790 + 5555005049791.

It is an arithmetic number, because the mean of its divisors is an integer number (5555005049791).

Almost surely, 2^{11110010099581} is an apocalyptic number.

It is an amenable number.

11110010099581 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110010099581 is an equidigital number, since it uses as much as digits as its factorization.

11110010099581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 37.

The spelling of 11110010099581 in words is "eleven trillion, one hundred ten billion, ten million, ninety-nine thousand, five hundred eighty-one".