11123000001 has 8 divisors (see below), whose sum is σ = 16478518560. Its totient is φ = 7415333316.

The previous prime is 11122999961. The next prime is 11123000041. The reversal of 11123000001 is 10000032111.

11123000001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11122999961) and next prime (11123000041).

It is not a de Polignac number, because 11123000001 - 2¹³ = 11122991809 is a prime.

It is a super-2 number, since 2×11123000001² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11123000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205981455 + ... + 205981508.

It is an arithmetic number, because the mean of its divisors is an integer number (2059814820).

Almost surely, 2^11123000001 is an apocalyptic number.

It is an amenable number.

11123000001 is a deficient number, since it is larger than the sum of its proper divisors (5355518559).

11123000001 is an equidigital number, since it uses as much as digits as its factorization.

11123000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411962972 (or 411962966 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11123000001 its reverse (10000032111), we get a palindrome (21123032112).

The spelling of 11123000001 in words is "eleven billion, one hundred twenty-three million, one", and thus it is an aban number.