1011113488 has 160 divisors (see below), whose sum is σ = 2699827200. Its totient is φ = 354478080.

The previous prime is 1011113483. The next prime is 1011113497. The reversal of 1011113488 is 8843111101.

It is a super-2 number, since 2×1011113488² = 2044700971231052288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1011113483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480663 + ... + 482761.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2^1011113488 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 1011113488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349913600).

1011113488 is an abundant number, since it is smaller than the sum of its proper divisors (1688713712).

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

1011113488 is a wasteful number, since it uses less digits than its factorization.

1011113488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 1011113488 is about 31798.0107553916. The cubic root of 1011113488 is about 1003.6908568165.

Adding to 1011113488 its reverse (8843111101), we get a palindrome (9854224589).

The spelling of 1011113488 in words is "one billion, eleven million, one hundred thirteen thousand, four hundred eighty-eight".