1115287296 has 144 divisors (see below), whose sum is σ = 3132519936. Its totient is φ = 351571968.

The previous prime is 1115287291. The next prime is 1115287297. The reversal of 1115287296 is 6927825111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115287291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819086 + ... + 1819698.

Almost surely, 2^1115287296 is an apocalyptic number.

1115287296 is a gapful number since it is divisible by the number (16) 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 1115287296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566259968).

1115287296 is an abundant number, since it is smaller than the sum of its proper divisors (2017232640).

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

1115287296 is a wasteful number, since it uses less digits than its factorization.

1115287296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 744 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 1115287296 is about 33395.9173552696. The cubic root of 1115287296 is about 1037.0401840287.

The spelling of 1115287296 in words is "one billion, one hundred fifteen million, two hundred eighty-seven thousand, two hundred ninety-six".