111431514141 has 6 divisors (see below), whose sum is σ = 160956631550. Its totient is φ = 74287676088.

The previous prime is 111431514137. The next prime is 111431514197. The reversal of 111431514141 is 141415134111.

111431514141 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 3 + 1 + 514 + 141 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102765766041 + 8665748100 = 320571^2 + 93090^2 .

It is not a de Polignac number, because 111431514141 - 2² = 111431514137 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 (111431519141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6190639666 + ... + 6190639683.

Almost surely, 2^111431514141 is an apocalyptic number.

It is an amenable number.

111431514141 is a deficient number, since it is larger than the sum of its proper divisors (49525117409).

111431514141 is a wasteful number, since it uses less digits than its factorization.

111431514141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12381279355 (or 12381279352 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

Adding to 111431514141 its reverse (141415134111), we get a palindrome (252846648252).

The spelling of 111431514141 in words is "one hundred eleven billion, four hundred thirty-one million, five hundred fourteen thousand, one hundred forty-one".