1115426004 has 144 divisors (see below), whose sum is σ = 3409975296. Its totient is φ = 280324800.

The previous prime is 1115425999. The next prime is 1115426023. The reversal of 1115426004 is 4006245111.

It is a happy number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 197727 + ... + 203289.

It is an arithmetic number, because the mean of its divisors is an integer number (23680384).

Almost surely, 2^1115426004 is an apocalyptic number.

1115426004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115426004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704987648).

1115426004 is an abundant number, since it is smaller than the sum of its proper divisors (2294549292).

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

1115426004 is a wasteful number, since it uses less digits than its factorization.

1115426004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 5617 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1115426004 is about 33397.9940116169. The cubic root of 1115426004 is about 1037.0831743887.

The spelling of 1115426004 in words is "one billion, one hundred fifteen million, four hundred twenty-six thousand, four".