111314520 has 64 divisors (see below), whose sum is σ = 371052000. Its totient is φ = 29683584.

The previous prime is 111314519. The next prime is 111314603. The reversal of 111314520 is 25413111.

111314520 is a `hidden beast` number, since 11 + 131 + 4 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111314493 and 111314502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50455 + ... + 52614.

Almost surely, 2^111314520 is an apocalyptic number.

111314520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111314520 is an abundant number, since it is smaller than the sum of its proper divisors (259737480).

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

111314520 is a wasteful number, since it uses less digits than its factorization.

111314520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103089 (or 103079 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111314520 is about 10550.5696528671. The cubic root of 111314520 is about 481.0430443136.

Adding to 111314520 its reverse (25413111), we get a palindrome (136727631).

It can be divided in two parts, 11131 and 4520, that added together give a palindrome (15651).

The spelling of 111314520 in words is "one hundred eleven million, three hundred fourteen thousand, five hundred twenty".