111430113450 has 72 divisors (see below), whose sum is σ = 279113709984. Its totient is φ = 29420088000.

The previous prime is 111430113449. The next prime is 111430113499. The reversal of 111430113450 is 54311034111.

It is a self number, because there is not a number n which added to its sum of digits gives 111430113450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1493739 + ... + 1566561.

Almost surely, 2^111430113450 is an apocalyptic number.

111430113450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111430113450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139556854992).

111430113450 is an abundant number, since it is smaller than the sum of its proper divisors (167683596534).

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

111430113450 is a wasteful number, since it uses less digits than its factorization.

111430113450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73040 (or 72934 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 111430113450 its reverse (54311034111), we get a palindrome (165741147561).

The spelling of 111430113450 in words is "one hundred eleven billion, four hundred thirty million, one hundred thirteen thousand, four hundred fifty".