111354425450 has 24 divisors (see below), whose sum is σ = 210210569472. Its totient is φ = 43876966320.

The previous prime is 111354425401. The next prime is 111354425453. The reversal of 111354425450 is 54524453111.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111354425450.

It is not an unprimeable number, because it can be changed into a prime (111354425453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16616714 + ... + 16623413.

It is an arithmetic number, because the mean of its divisors is an integer number (8758773728).

Almost surely, 2^111354425450 is an apocalyptic number.

111354425450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111354425450 is a deficient number, since it is larger than the sum of its proper divisors (98856144022).

111354425450 is a wasteful number, since it uses less digits than its factorization.

111354425450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33240206 (or 33240201 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 111354425450 its reverse (54524453111), we get a palindrome (165878878561).

The spelling of 111354425450 in words is "one hundred eleven billion, three hundred fifty-four million, four hundred twenty-five thousand, four hundred fifty".