111252241143 has 24 divisors (see below), whose sum is σ = 172304308800. Its totient is φ = 68921708544.

The previous prime is 111252241141. The next prime is 111252241153. The reversal of 111252241143 is 341142252111.

111252241143 is a `hidden beast` number, since 11 + 12 + 522 + 4 + 114 + 3 = 666.

It is not a de Polignac number, because 111252241143 - 2¹ = 111252241141 is a prime.

It is a super-2 number, since 2×111252241143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111252241141) 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, 4590058 + ... + 4614231.

It is an arithmetic number, because the mean of its divisors is an integer number (7179346200).

Almost surely, 2^111252241143 is an apocalyptic number.

111252241143 is a deficient number, since it is larger than the sum of its proper divisors (61052067657).

111252241143 is a wasteful number, since it uses less digits than its factorization.

111252241143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9204391 (or 9204388 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

Adding to 111252241143 its reverse (341142252111), we get a palindrome (452394493254).

The spelling of 111252241143 in words is "one hundred eleven billion, two hundred fifty-two million, two hundred forty-one thousand, one hundred forty-three".