111503215152 has 240 divisors, whose sum is σ = 378836377920. Its totient is φ = 29886824448.

The previous prime is 111503215139. The next prime is 111503215183. The reversal of 111503215152 is 251512305111.

It is a happy number.

111503215152 is a `hidden beast` number, since 1 + 1 + 1 + 503 + 2 + 1 + 5 + 152 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5353174 + ... + 5373962.

It is an arithmetic number, because the mean of its divisors is an integer number (1578484908).

Almost surely, 2^111503215152 is an apocalyptic number.

111503215152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111503215152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189418188960).

111503215152 is an abundant number, since it is smaller than the sum of its proper divisors (267333162768).

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

111503215152 is a wasteful number, since it uses less digits than its factorization.

111503215152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140 (or 21131 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 111503215152 in words is "one hundred eleven billion, five hundred three million, two hundred fifteen thousand, one hundred fifty-two".