11110431040 has 112 divisors (see below), whose sum is σ = 27424227600. Its totient is φ = 4283891712.

The previous prime is 11110431023. The next prime is 11110431041. The reversal of 11110431040 is 4013401111.

It can be written as a sum of positive squares in 8 ways, for example, as 157552704 + 10952878336 = 12552^2 + 104656^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110431041) 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, 1286256 + ... + 1294864.

It is an arithmetic number, because the mean of its divisors is an integer number (244859175).

Almost surely, 2^11110431040 is an apocalyptic number.

11110431040 is a gapful number since it is divisible by the number (10) 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 11110431040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13712113800).

11110431040 is an abundant number, since it is smaller than the sum of its proper divisors (16313796560).

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

11110431040 is a wasteful number, since it uses less digits than its factorization.

11110431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772 (or 8762 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11110431040 its reverse (4013401111), we get a palindrome (15123832151).

The spelling of 11110431040 in words is "eleven billion, one hundred ten million, four hundred thirty-one thousand, forty".