1111311412 has 12 divisors (see below), whose sum is σ = 1971436516. Its totient is φ = 548043840.

The previous prime is 1111311371. The next prime is 1111311427. The reversal of 1111311412 is 2141131111.

It can be written as a sum of positive squares in 2 ways, for example, as 439153936 + 672157476 = 20956^2 + 25926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902639 + ... + 1903222.

Almost surely, 2^1111311412 is an apocalyptic number.

It is an amenable number.

1111311412 is a deficient number, since it is larger than the sum of its proper divisors (860125104).

1111311412 is a wasteful number, since it uses less digits than its factorization.

1111311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805938 (or 3805936 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

The square root of 1111311412 is about 33336.3377112724. The cubic root of 1111311412 is about 1035.8064030550.

Adding to 1111311412 its reverse (2141131111), we get a palindrome (3252442523).

The spelling of 1111311412 in words is "one billion, one hundred eleven million, three hundred eleven thousand, four hundred twelve".