111140134441 has 24 divisors (see below), whose sum is σ = 133787055240. Its totient is φ = 91948147200.

The previous prime is 111140134433. The next prime is 111140134477. The reversal of 111140134441 is 144431041111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6371392041 + 104768742400 = 79821^2 + 323680^2 .

It is not a de Polignac number, because 111140134441 - 2³ = 111140134433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111140134741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5077681 + ... + 5099521.

It is an arithmetic number, because the mean of its divisors is an integer number (5574460635).

Almost surely, 2^111140134441 is an apocalyptic number.

It is an amenable number.

111140134441 is a deficient number, since it is larger than the sum of its proper divisors (22646920799).

111140134441 is a wasteful number, since it uses less digits than its factorization.

111140134441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25465 (or 25458 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111140134441 its reverse (144431041111), we get a palindrome (255571175552).

The spelling of 111140134441 in words is "one hundred eleven billion, one hundred forty million, one hundred thirty-four thousand, four hundred forty-one".