1188064111 has 8 divisors (see below), whose sum is σ = 1292122944. Its totient is φ = 1085815200.

The previous prime is 1188064081. The next prime is 1188064147. The reversal of 1188064111 is 1114608811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1188064111 - 2¹⁷ = 1187933039 is a prime.

It is a super-2 number, since 2×1188064111² = 2822992663692440642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188064211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451111 + ... + 453736.

It is an arithmetic number, because the mean of its divisors is an integer number (161515368).

Almost surely, 2^1188064111 is an apocalyptic number.

1188064111 is a deficient number, since it is larger than the sum of its proper divisors (104058833).

1188064111 is a wasteful number, since it uses less digits than its factorization.

1188064111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904961.

The product of its (nonzero) digits is 1536, while the sum is 31.

The square root of 1188064111 is about 34468.3058910646. The cubic root of 1188064111 is about 1059.1235519523.

The spelling of 1188064111 in words is "one billion, one hundred eighty-eight million, sixty-four thousand, one hundred eleven".