1080400111 has 8 divisors (see below), whose sum is σ = 1268114720. Its totient is φ = 901028448.

The previous prime is 1080400109. The next prime is 1080400117. The reversal of 1080400111 is 1110040801.

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 1080400111 - 2¹ = 1080400109 is a prime.

It is a super-3 number, since 3×1080400111³ (a number of 28 digits) contains 333 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 (1080400117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085456 + ... + 2085973.

It is an arithmetic number, because the mean of its divisors is an integer number (158514340).

Almost surely, 2^1080400111 is an apocalyptic number.

1080400111 is a deficient number, since it is larger than the sum of its proper divisors (187714609).

1080400111 is an equidigital number, since it uses as much as digits as its factorization.

1080400111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171473.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1080400111 is about 32869.4403816067. The cubic root of 1080400111 is about 1026.1122523974.

Adding to 1080400111 its reverse (1110040801), we get a palindrome (2190440912).

The spelling of 1080400111 in words is "one billion, eighty million, four hundred thousand, one hundred eleven".