111426703550 has 24 divisors (see below), whose sum is σ = 207282301536. Its totient is φ = 44564523840.

The previous prime is 111426703529. The next prime is 111426703559. The reversal of 111426703550 is 55307624111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111426703550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111426703559) 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 11 ways as a sum of consecutive naturals, for example, 220619 + ... + 521081.

It is an arithmetic number, because the mean of its divisors is an integer number (8636762564).

Almost surely, 2^111426703550 is an apocalyptic number.

111426703550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111426703550 is a deficient number, since it is larger than the sum of its proper divisors (95855597986).

111426703550 is a wasteful number, since it uses less digits than its factorization.

111426703550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307892 (or 307887 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 111426703550 in words is "one hundred eleven billion, four hundred twenty-six million, seven hundred three thousand, five hundred fifty".