1111426680 has 256 divisors, whose sum is σ = 4345850880. Its totient is φ = 220667904.

The previous prime is 1111426669. The next prime is 1111426681. The reversal of 1111426680 is 866241111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111426681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182647 + ... + 188633.

It is an arithmetic number, because the mean of its divisors is an integer number (16975980).

Almost surely, 2^1111426680 is an apocalyptic number.

1111426680 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 1111426680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172925440).

1111426680 is an abundant number, since it is smaller than the sum of its proper divisors (3234424200).

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

1111426680 is a wasteful number, since it uses less digits than its factorization.

1111426680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038 (or 6034 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1111426680 is about 33338.0665306193. The cubic root of 1111426680 is about 1035.8422139608.

Adding to 1111426680 its reverse (866241111), we get a palindrome (1977667791).

The spelling of 1111426680 in words is "one billion, one hundred eleven million, four hundred twenty-six thousand, six hundred eighty".