111426334550 has 48 divisors (see below), whose sum is σ = 209267744400. Its totient is φ = 44137699200.

The previous prime is 111426334529. The next prime is 111426334577. The reversal of 111426334550 is 55433624111.

It is a self number, because there is not a number n which added to its sum of digits gives 111426334550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12743180 + ... + 12751920.

It is an arithmetic number, because the mean of its divisors is an integer number (4359744675).

Almost surely, 2^111426334550 is an apocalyptic number.

111426334550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111426334550 is a deficient number, since it is larger than the sum of its proper divisors (97841409850).

111426334550 is a wasteful number, since it uses less digits than its factorization.

111426334550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201 (or 11196 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 111426334550 its reverse (55433624111), we get a palindrome (166859958661).

The spelling of 111426334550 in words is "one hundred eleven billion, four hundred twenty-six million, three hundred thirty-four thousand, five hundred fifty".