111551435414 has 12 divisors (see below), whose sum is σ = 177748914444. Its totient is φ = 52494792864.

The previous prime is 111551435381. The next prime is 111551435417. The reversal of 111551435414 is 414534155111.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111551435417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96497204 + ... + 96498359.

It is an arithmetic number, because the mean of its divisors is an integer number (14812409537).

Almost surely, 2^111551435414 is an apocalyptic number.

111551435414 is a deficient number, since it is larger than the sum of its proper divisors (66197479030).

111551435414 is a wasteful number, since it uses less digits than its factorization.

111551435414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192995599 (or 192995582 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The spelling of 111551435414 in words is "one hundred eleven billion, five hundred fifty-one million, four hundred thirty-five thousand, four hundred fourteen".