111361214454 has 48 divisors (see below), whose sum is σ = 262364889600. Its totient is φ = 31414730256.

The previous prime is 111361214383. The next prime is 111361214479. The reversal of 111361214454 is 454412163111.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2374114 + ... + 2420565.

It is an arithmetic number, because the mean of its divisors is an integer number (5465935200).

Almost surely, 2^111361214454 is an apocalyptic number.

111361214454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111361214454 is an abundant number, since it is smaller than the sum of its proper divisors (151003675146).

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

111361214454 is a wasteful number, since it uses less digits than its factorization.

111361214454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794777 (or 4794770 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

Adding to 111361214454 its reverse (454412163111), we get a palindrome (565773377565).

The spelling of 111361214454 in words is "one hundred eleven billion, three hundred sixty-one million, two hundred fourteen thousand, four hundred fifty-four".