111512242030 has 64 divisors (see below), whose sum is σ = 242696424960. Its totient is φ = 36036572544.

The previous prime is 111512242013. The next prime is 111512242091. The reversal of 111512242030 is 30242215111.

It is a junction number, because it is equal to n+sod(n) for n = 111512241992 and 111512242010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49209 + ... + 474811.

It is an arithmetic number, because the mean of its divisors is an integer number (3792131640).

Almost surely, 2^111512242030 is an apocalyptic number.

111512242030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111512242030 is an abundant number, since it is smaller than the sum of its proper divisors (131184182930).

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

111512242030 is a wasteful number, since it uses less digits than its factorization.

111512242030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425833.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 111512242030 its reverse (30242215111), we get a palindrome (141754457141).

The spelling of 111512242030 in words is "one hundred eleven billion, five hundred twelve million, two hundred forty-two thousand, thirty".