111434525434111 has 24 divisors (see below), whose sum is σ = 123712344900144. Its totient is φ = 100289970000000.

The previous prime is 111434525434109. The next prime is 111434525434129.

111434525434111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111434525434111 - 2¹ = 111434525434109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111434525434151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110599611 + ... + 111602611.

It is an arithmetic number, because the mean of its divisors is an integer number (5154681037506).

Almost surely, 2^{111434525434111} is an apocalyptic number.

111434525434111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111434525434111 is a deficient number, since it is larger than the sum of its proper divisors (12277819466033).

111434525434111 is a wasteful number, since it uses less digits than its factorization.

111434525434111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012215 (or 1012204 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

It can be divided in two parts, 11143 and 4525434111, that added together give a palindrome (4525445254).

The spelling of 111434525434111 in words is "one hundred eleven trillion, four hundred thirty-four billion, five hundred twenty-five million, four hundred thirty-four thousand, one hundred eleven".