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1100109961 is a prime number
BaseRepresentation
bin100000110010010…
…0101100010001001
32211200001101011101
41001210211202021
54223112004321
6301055101401
736155531446
oct10144454211
92750041141
101100109961
11514a8a995
12268511861
13146bbba52
14a616a9cd
15668a8791
hex41925889

1100109961 has 2 divisors, whose sum is σ = 1100109962. Its totient is φ = 1100109960.

The previous prime is 1100109953. The next prime is 1100110007. The reversal of 1100109961 is 1699010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921486736 + 178623225 = 30356^2 + 13365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100109961 - 23 = 1100109953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100109911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550054980 + 550054981.

It is an arithmetic number, because the mean of its divisors is an integer number (550054981).

Almost surely, 21100109961 is an apocalyptic number.

It is an amenable number.

1100109961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100109961 is an equidigital number, since it uses as much as digits as its factorization.

1100109961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 1100109961 is about 33167.9055865757. The cubic root of 1100109961 is about 1032.3145114478.

Adding to 1100109961 its reverse (1699010011), we get a palindrome (2799119972).

The spelling of 1100109961 in words is "one billion, one hundred million, one hundred nine thousand, nine hundred sixty-one".