1111400311 has 6 divisors (see below), whose sum is σ = 1292853480. Its totient is φ = 952628796.

The previous prime is 1111400299. The next prime is 1111400327. The reversal of 1111400311 is 1130041111.

It is a happy number.

It is not a de Polignac number, because 1111400311 - 2⁷ = 1111400183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111400291 and 1111400300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111400351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11340771 + ... + 11340868.

It is an arithmetic number, because the mean of its divisors is an integer number (215475580).

Almost surely, 2^1111400311 is an apocalyptic number.

1111400311 is a deficient number, since it is larger than the sum of its proper divisors (181453169).

1111400311 is an equidigital number, since it uses as much as digits as its factorization.

1111400311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22681653 (or 22681646 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111400311 is about 33337.6710494300. The cubic root of 1111400311 is about 1035.8340219856.

Adding to 1111400311 its reverse (1130041111), we get a palindrome (2241441422).

The spelling of 1111400311 in words is "one billion, one hundred eleven million, four hundred thousand, three hundred eleven".