1111042311 has 16 divisors (see below), whose sum is σ = 1496880000. Its totient is φ = 732965408.

The previous prime is 1111042267. The next prime is 1111042321. The reversal of 1111042311 is 1132401111.

It is not a de Polignac number, because 1111042311 - 2⁷ = 1111042183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111042321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480025 + ... + 482333.

It is an arithmetic number, because the mean of its divisors is an integer number (93555000).

Almost surely, 2^1111042311 is an apocalyptic number.

1111042311 is a deficient number, since it is larger than the sum of its proper divisors (385837689).

1111042311 is a wasteful number, since it uses less digits than its factorization.

1111042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1111042311 is about 33332.3013156908. The cubic root of 1111042311 is about 1035.7227904159.

Adding to 1111042311 its reverse (1132401111), we get a palindrome (2243443422).

The spelling of 1111042311 in words is "one billion, one hundred eleven million, forty-two thousand, three hundred eleven".