2111544141 has 32 divisors (see below), whose sum is σ = 3368521728. Its totient is φ = 1150343040.

The previous prime is 2111544121. The next prime is 2111544151. The reversal of 2111544141 is 1414451112.

It is a happy number.

It is not a de Polignac number, because 2111544141 - 2¹⁰ = 2111543117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111544121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143185 + ... + 157241.

It is an arithmetic number, because the mean of its divisors is an integer number (105266304).

Almost surely, 2^2111544141 is an apocalyptic number.

2111544141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2111544141 is a deficient number, since it is larger than the sum of its proper divisors (1256977587).

2111544141 is a wasteful number, since it uses less digits than its factorization.

2111544141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14401.

The product of its digits is 640, while the sum is 24.

The square root of 2111544141 is about 45951.5412255128. The cubic root of 2111544141 is about 1282.9214157985.

Adding to 2111544141 its reverse (1414451112), we get a palindrome (3525995253).

It can be divided in two parts, 21115 and 44141, that added together give a palindrome (65256).

The spelling of 2111544141 in words is "two billion, one hundred eleven million, five hundred forty-four thousand, one hundred forty-one".