111434230512 has 240 divisors, whose sum is σ = 375888584448. Its totient is φ = 30399621120.

The previous prime is 111434230487. The next prime is 111434230541. The reversal of 111434230512 is 215032434111.

111434230512 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 342 + 305 + 12 = 666.

111434230512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529383 + ... + 709305.

Almost surely, 2^111434230512 is an apocalyptic number.

111434230512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111434230512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187944292224).

111434230512 is an abundant number, since it is smaller than the sum of its proper divisors (264454353936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111434230512 is a wasteful number, since it uses less digits than its factorization.

111434230512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179988 (or 179979 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 111434230512 its reverse (215032434111), we get a palindrome (326466664623).

The spelling of 111434230512 in words is "one hundred eleven billion, four hundred thirty-four million, two hundred thirty thousand, five hundred twelve".