1001113568 has 96 divisors (see below), whose sum is σ = 2445778944. Its totient is φ = 392781312.

The previous prime is 1001113549. The next prime is 1001113577. The reversal of 1001113568 is 8653111001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368471 + ... + 371177.

It is an arithmetic number, because the mean of its divisors is an integer number (25476864).

Almost surely, 2^1001113568 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 1001113568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222889472).

1001113568 is an abundant number, since it is smaller than the sum of its proper divisors (1444665376).

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

1001113568 is a wasteful number, since it uses less digits than its factorization.

1001113568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1001113568 is about 31640.3787587949. The cubic root of 1001113568 is about 1000.3710516370.

Adding to 1001113568 its reverse (8653111001), we get a palindrome (9654224569).

The spelling of 1001113568 in words is "one billion, one million, one hundred thirteen thousand, five hundred sixty-eight".