Search a number
BaseRepresentation
bin1010000000010110010101…
…0100011011101000001111
31102221200210100101101212021
42200011211110123220033
52420220233420144134
635221501330151011
72213542534316563
oct240054524335017
942850710341767
1011001111099919
1135615aa465806
121298109a22467
1361a528690125
142a0656d636a3
1514126ded40b4
hexa016551ba0f

11001111099919 has 2 divisors, whose sum is σ = 11001111099920. Its totient is φ = 11001111099918.

The previous prime is 11001111099863. The next prime is 11001111100013. The reversal of 11001111099919 is 91999011110011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11001111099919 - 211 = 11001111097871 is a prime.

It is a super-2 number, since 2×110011110999192 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001111096919) 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, 5500555549959 + 5500555549960.

It is an arithmetic number, because the mean of its divisors is an integer number (5500555549960).

Almost surely, 211001111099919 is an apocalyptic number.

11001111099919 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001111099919 is an equidigital number, since it uses as much as digits as its factorization.

11001111099919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 43.

The spelling of 11001111099919 in words is "eleven trillion, one billion, one hundred eleven million, ninety-nine thousand, nine hundred nineteen".