11001150001081 has 2 divisors, whose sum is σ = 11001150001082. Its totient is φ = 11001150001080.

The previous prime is 11001150000983. The next prime is 11001150001087. The reversal of 11001150001081 is 18010005110011.

11001150001081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8603867565225 + 2397282435856 = 2933235^2 + 1548316^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001150001081 - 2⁹ = 11001150000569 is a prime.

It is a super-2 number, since 2×11001150001081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11001150001087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500575000540 + 5500575000541.

It is an arithmetic number, because the mean of its divisors is an integer number (5500575000541).

Almost surely, 2^{11001150001081} is an apocalyptic number.

It is an amenable number.

11001150001081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001150001081 is an equidigital number, since it uses as much as digits as its factorization.

11001150001081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 19.

Adding to 11001150001081 its reverse (18010005110011), we get a palindrome (29011155111092).

The spelling of 11001150001081 in words is "eleven trillion, one billion, one hundred fifty million, one thousand, eighty-one".