111411053 has 6 divisors (see below), whose sum is σ = 120640554. Its totient is φ = 102840816.

The previous prime is 111411049. The next prime is 111411077. The reversal of 111411053 is 350114111.

It can be written as a sum of positive squares in 3 ways, for example, as 1643524 + 109767529 = 1282^2 + 10477^2 .

It is not a de Polignac number, because 111411053 - 2² = 111411049 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 (111411043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329450 + ... + 329787.

It is an arithmetic number, because the mean of its divisors is an integer number (20106759).

Almost surely, 2^111411053 is an apocalyptic number.

111411053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111411053 is a deficient number, since it is larger than the sum of its proper divisors (9229501).

111411053 is an equidigital number, since it uses as much as digits as its factorization.

111411053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659263 (or 659250 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 111411053 is about 10555.1434381537. The cubic root of 111411053 is about 481.1820591557.

Adding to 111411053 its reverse (350114111), we get a palindrome (461525164).

It can be divided in two parts, 1114 and 11053, that added together give a cube (12167 = 23³).

The spelling of 111411053 in words is "one hundred eleven million, four hundred eleven thousand, fifty-three".