111520520324 has 12 divisors (see below), whose sum is σ = 197631302400. Its totient is φ = 55054433928.

The previous prime is 111520520303. The next prime is 111520520351. The reversal of 111520520324 is 423025025111.

It is a junction number, because it is equal to n+sod(n) for n = 111520520293 and 111520520302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176456204 + ... + 176456835.

It is an arithmetic number, because the mean of its divisors is an integer number (16469275200).

Almost surely, 2^111520520324 is an apocalyptic number.

It is an amenable number.

111520520324 is a deficient number, since it is larger than the sum of its proper divisors (86110782076).

111520520324 is a wasteful number, since it uses less digits than its factorization.

111520520324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352913122 (or 352913120 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 111520520324 its reverse (423025025111), we get a palindrome (534545545435).

The spelling of 111520520324 in words is "one hundred eleven billion, five hundred twenty million, five hundred twenty thousand, three hundred twenty-four".