111103350520 has 64 divisors (see below), whose sum is σ = 252330624000. Its totient is φ = 44025303168.

The previous prime is 111103350487. The next prime is 111103350539. The reversal of 111103350520 is 25053301111.

It is a junction number, because it is equal to n+sod(n) for n = 111103350491 and 111103350500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2552701 + ... + 2595859.

It is an arithmetic number, because the mean of its divisors is an integer number (3942666000).

Almost surely, 2^111103350520 is an apocalyptic number.

111103350520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103350520 is an abundant number, since it is smaller than the sum of its proper divisors (141227273480).

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

111103350520 is a wasteful number, since it uses less digits than its factorization.

111103350520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43772 (or 43768 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 111103350520 its reverse (25053301111), we get a palindrome (136156651631).

The spelling of 111103350520 in words is "one hundred eleven billion, one hundred three million, three hundred fifty thousand, five hundred twenty".