11130023133 has 10 divisors (see below), whose sum is σ = 16626330974. Its totient is φ = 7420015368.

The previous prime is 11130023123. The next prime is 11130023189. The reversal of 11130023133 is 33132003111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6447768804 + 4682254329 = 80298^2 + 68427^2 .

It is not a de Polignac number, because 11130023133 - 2⁵ = 11130023101 is a prime.

It is a super-2 number, since 2×11130023133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130023123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68703766 + ... + 68703927.

Almost surely, 2^11130023133 is an apocalyptic number.

It is an amenable number.

11130023133 is a deficient number, since it is larger than the sum of its proper divisors (5496307841).

11130023133 is an equidigital number, since it uses as much as digits as its factorization.

11130023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137407705 (or 137407696 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11130023133 its reverse (33132003111), we get a palindrome (44262026244).

The spelling of 11130023133 in words is "eleven billion, one hundred thirty million, twenty-three thousand, one hundred thirty-three".