111520051205503 has 8 divisors (see below), whose sum is σ = 117390006054000. Its totient is φ = 105650144203968.

The previous prime is 111520051205491. The next prime is 111520051205533. The reversal of 111520051205503 is 305502150025111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111520051205503 is a prime.

It is a super-2 number, since 2×111520051205503² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111520051205533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7127428 + ... + 16548121.

It is an arithmetic number, because the mean of its divisors is an integer number (14673750756750).

Almost surely, 2^{111520051205503} is an apocalyptic number.

111520051205503 is a deficient number, since it is larger than the sum of its proper divisors (5869954848497).

111520051205503 is a wasteful number, since it uses less digits than its factorization.

111520051205503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923481.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 111520051205503 in words is "one hundred eleven trillion, five hundred twenty billion, fifty-one million, two hundred five thousand, five hundred three".