1111311426 has 16 divisors (see below), whose sum is σ = 2222951328. Its totient is φ = 370382400.

The previous prime is 1111311371. The next prime is 1111311427. The reversal of 1111311426 is 6241131111.

It is not an unprimeable number, because it can be changed into a prime (1111311427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65881 + ... + 81011.

It is an arithmetic number, because the mean of its divisors is an integer number (138934458).

Almost surely, 2^1111311426 is an apocalyptic number.

1111311426 is an abundant number, since it is smaller than the sum of its proper divisors (1111639902).

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

1111311426 is a wasteful number, since it uses less digits than its factorization.

1111311426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27377.

The product of its digits is 144, while the sum is 21.

The square root of 1111311426 is about 33336.3379212534. The cubic root of 1111311426 is about 1035.8064074046.

Adding to 1111311426 its reverse (6241131111), we get a palindrome (7352442537).

The spelling of 1111311426 in words is "one billion, one hundred eleven million, three hundred eleven thousand, four hundred twenty-six".