111312132134 has 24 divisors (see below), whose sum is σ = 195625662120. Its totient is φ = 47361990816.

The previous prime is 111312132131. The next prime is 111312132157. The reversal of 111312132134 is 431231213111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312132131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4072127 + ... + 4099370.

It is an arithmetic number, because the mean of its divisors is an integer number (8151069255).

Almost surely, 2^111312132134 is an apocalyptic number.

111312132134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111312132134 is a deficient number, since it is larger than the sum of its proper divisors (84313529986).

111312132134 is a wasteful number, since it uses less digits than its factorization.

111312132134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171652 (or 8171645 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

Adding to 111312132134 its reverse (431231213111), we get a palindrome (542543345245).

The spelling of 111312132134 in words is "one hundred eleven billion, three hundred twelve million, one hundred thirty-two thousand, one hundred thirty-four".