11095755661 has 2 divisors, whose sum is σ = 11095755662. Its totient is φ = 11095755660.

The previous prime is 11095755581. The next prime is 11095755673. The reversal of 11095755661 is 16655759011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10880576100 + 215179561 = 104310^2 + 14669^2 .

It is an emirp because it is prime and its reverse (16655759011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11095755661 - 2⁷ = 11095755533 is a prime.

It is a super-2 number, since 2×11095755661² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11095155661) 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, 5547877830 + 5547877831.

It is an arithmetic number, because the mean of its divisors is an integer number (5547877831).

Almost surely, 2^11095755661 is an apocalyptic number.

It is an amenable number.

11095755661 is a deficient number, since it is larger than the sum of its proper divisors (1).

11095755661 is an equidigital number, since it uses as much as digits as its factorization.

11095755661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 11095755661 in words is "eleven billion, ninety-five million, seven hundred fifty-five thousand, six hundred sixty-one".