1111404011 has 4 divisors (see below), whose sum is σ = 1132373952. Its totient is φ = 1090434072.

The previous prime is 1111404001. The next prime is 1111404017. The reversal of 1111404011 is 1104041111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1104041111 = 223 ⋅4950857.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111404011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111404017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10484891 + ... + 10484996.

It is an arithmetic number, because the mean of its divisors is an integer number (283093488).

Almost surely, 2^1111404011 is an apocalyptic number.

1111404011 is a deficient number, since it is larger than the sum of its proper divisors (20969941).

1111404011 is an equidigital number, since it uses as much as digits as its factorization.

1111404011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20969940.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1111404011 is about 33337.7265421624. The cubic root of 1111404011 is about 1035.8351714609.

Adding to 1111404011 its reverse (1104041111), we get a palindrome (2215445122).

The spelling of 1111404011 in words is "one billion, one hundred eleven million, four hundred four thousand, eleven".