1115412544 has 56 divisors (see below), whose sum is σ = 2289950208. Its totient is φ = 538690560.

The previous prime is 1115412541. The next prime is 1115412559. The reversal of 1115412544 is 4452145111.

It is not an unprimeable number, because it can be changed into a prime (1115412541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 268209 + ... + 272335.

It is an arithmetic number, because the mean of its divisors is an integer number (40891968).

Almost surely, 2^1115412544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115412544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144975104).

1115412544 is an abundant number, since it is smaller than the sum of its proper divisors (1174537664).

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

1115412544 is a wasteful number, since it uses less digits than its factorization.

1115412544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4273 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 1115412544 is about 33397.7925019005. The cubic root of 1115412544 is about 1037.0790028298.

Adding to 1115412544 its reverse (4452145111), we get a palindrome (5567557655).

The spelling of 1115412544 in words is "one billion, one hundred fifteen million, four hundred twelve thousand, five hundred forty-four".