1111117248 has 168 divisors, whose sum is σ = 3296003568. Its totient is φ = 357654528.

The previous prime is 1111117247. The next prime is 1111117277. The reversal of 1111117248 is 8427111111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111117243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2798586 + ... + 2798982.

Almost surely, 2^1111117248 is an apocalyptic number.

1111117248 is a gapful number since it is divisible by the number (18) 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 1111117248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648001784).

1111117248 is an abundant number, since it is smaller than the sum of its proper divisors (2184886320).

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

1111117248 is a wasteful number, since it uses less digits than its factorization.

1111117248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 558 counting only the distinct ones).

The product of its digits is 448, while the sum is 27.

The square root of 1111117248 is about 33333.4253865396. The cubic root of 1111117248 is about 1035.7460755218.

Adding to 1111117248 its reverse (8427111111), we get a palindrome (9538228359).

The spelling of 1111117248 in words is "one billion, one hundred eleven million, one hundred seventeen thousand, two hundred forty-eight".