11030100861 has 24 divisors (see below), whose sum is σ = 15985861056. Its totient is φ = 6761863680.

The previous prime is 11030100853. The next prime is 11030100881. The reversal of 11030100861 is 16800103011.

It is not a de Polignac number, because 11030100861 - 2³ = 11030100853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030100811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91981 + ... + 174701.

It is an arithmetic number, because the mean of its divisors is an integer number (666077544).

Almost surely, 2^11030100861 is an apocalyptic number.

It is an amenable number.

11030100861 is a deficient number, since it is larger than the sum of its proper divisors (4955760195).

11030100861 is a wasteful number, since it uses less digits than its factorization.

11030100861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83013 (or 83000 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11030100861 its reverse (16800103011), we get a palindrome (27830203872).

The spelling of 11030100861 in words is "eleven billion, thirty million, one hundred thousand, eight hundred sixty-one".