1111041311 has 2 divisors, whose sum is σ = 1111041312. Its totient is φ = 1111041310.

The previous prime is 1111041277. The next prime is 1111041343. The reversal of 1111041311 is 1131401111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111041311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111041391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555520655 + 555520656.

It is an arithmetic number, because the mean of its divisors is an integer number (555520656).

Almost surely, 2^1111041311 is an apocalyptic number.

1111041311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111041311 is an equidigital number, since it uses as much as digits as its factorization.

1111041311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 1111041311 is about 33332.2863152230. The cubic root of 1111041311 is about 1035.7224796797.

Adding to 1111041311 its reverse (1131401111), we get a palindrome (2242442422).

The spelling of 1111041311 in words is "one billion, one hundred eleven million, forty-one thousand, three hundred eleven".