11195081 has 2 divisors, whose sum is σ = 11195082. Its totient is φ = 11195080.

The previous prime is 11195069. The next prime is 11195113. The reversal of 11195081 is 18059111.

11195081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 1585081 = 3100^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 11195081 - 2⁶ = 11195017 is a prime.

It is a super-2 number, since 2×11195081² = 250659677193122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11195081.

It is not a weakly prime, because it can be changed into another prime (11195021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597540 + 5597541.

It is an arithmetic number, because the mean of its divisors is an integer number (5597541).

Almost surely, 2^11195081 is an apocalyptic number.

It is an amenable number.

11195081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195081 is an equidigital number, since it uses as much as digits as its factorization.

11195081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 11195081 is about 3345.9051092343. The cubic root of 11195081 is about 223.7050286740.

The spelling of 11195081 in words is "eleven million, one hundred ninety-five thousand, eighty-one".