111412342154 has 8 divisors (see below), whose sum is σ = 167126379840. Its totient is φ = 55703548876.

The previous prime is 111412342121. The next prime is 111412342157. The reversal of 111412342154 is 451243214111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (111412342157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257554 + ... + 1343229.

It is an arithmetic number, because the mean of its divisors is an integer number (20890797480).

Almost surely, 2^111412342154 is an apocalyptic number.

111412342154 is a deficient number, since it is larger than the sum of its proper divisors (55714037686).

111412342154 is a wasteful number, since it uses less digits than its factorization.

111412342154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622204.

The product of its digits is 3840, while the sum is 29.

Adding to 111412342154 its reverse (451243214111), we get a palindrome (562655556265).

The spelling of 111412342154 in words is "one hundred eleven billion, four hundred twelve million, three hundred forty-two thousand, one hundred fifty-four".