1111004412 has 72 divisors (see below), whose sum is σ = 3061554048. Its totient is φ = 307167840.

The previous prime is 1111004399. The next prime is 1111004431. The reversal of 1111004412 is 2144001111.

It is a junction number, because it is equal to n+sod(n) for n = 1111004391 and 1111004400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73843 + ... + 87605.

It is an arithmetic number, because the mean of its divisors is an integer number (42521584).

Almost surely, 2^1111004412 is an apocalyptic number.

1111004412 is a gapful number since it is divisible by the number (12) 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 1111004412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530777024).

1111004412 is an abundant number, since it is smaller than the sum of its proper divisors (1950549636).

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

1111004412 is a wasteful number, since it uses less digits than its factorization.

1111004412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839 (or 13806 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1111004412 is about 33331.7328082415. The cubic root of 1111004412 is about 1035.7110136953.

Adding to 1111004412 its reverse (2144001111), we get a palindrome (3255005523).

The spelling of 1111004412 in words is "one billion, one hundred eleven million, four thousand, four hundred twelve".