1118345111 has 16 divisors (see below), whose sum is σ = 1277052000. Its totient is φ = 970818048.

The previous prime is 1118345089. The next prime is 1118345117. The reversal of 1118345111 is 1115438111.

It is a cyclic number.

It is not a de Polignac number, because 1118345111 - 2¹⁴ = 1118328727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118345117) 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, 17315 + ... + 50363.

It is an arithmetic number, because the mean of its divisors is an integer number (79815750).

Almost surely, 2^1118345111 is an apocalyptic number.

1118345111 is a deficient number, since it is larger than the sum of its proper divisors (158706889).

1118345111 is a wasteful number, since it uses less digits than its factorization.

1118345111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33218.

The product of its digits is 480, while the sum is 26.

The square root of 1118345111 is about 33441.6672879807. The cubic root of 1118345111 is about 1037.9870800649.

The spelling of 1118345111 in words is "one billion, one hundred eighteen million, three hundred forty-five thousand, one hundred eleven".