11130426 has 64 divisors (see below), whose sum is σ = 26188800. Its totient is φ = 3499200.

The previous prime is 11130419. The next prime is 11130433. The reversal of 11130426 is 62403111.

11130426 = 264² + 265² + ... + 372².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11130419) and next prime (11130433).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11130399 and 11130408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102060 + ... + 102168.

It is an arithmetic number, because the mean of its divisors is an integer number (409200).

Almost surely, 2^11130426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11130426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13094400).

11130426 is an abundant number, since it is smaller than the sum of its proper divisors (15058374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11130426 is a wasteful number, since it uses less digits than its factorization.

11130426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 11130426 is about 3336.2293086657. The cubic root of 11130426 is about 223.2735420742.

Adding to 11130426 its reverse (62403111), we get a palindrome (73533537).

The spelling of 11130426 in words is "eleven million, one hundred thirty thousand, four hundred twenty-six".