111830199552 has 216 divisors, whose sum is σ = 337817276160. Its totient is φ = 35534315520.

The previous prime is 111830199529. The next prime is 111830199553. The reversal of 111830199552 is 255991038111.

It is a happy number.

111830199552 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 3 + 0 + 1 + 99 + 552 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 111830199498 and 111830199507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111830199553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4773724 + ... + 4797092.

Almost surely, 2^111830199552 is an apocalyptic number.

111830199552 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 111830199552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168908638080).

111830199552 is an abundant number, since it is smaller than the sum of its proper divisors (225987076608).

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

111830199552 is a wasteful number, since it uses less digits than its factorization.

111830199552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23489 (or 23472 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 45.

The spelling of 111830199552 in words is "one hundred eleven billion, eight hundred thirty million, one hundred ninety-nine thousand, five hundred fifty-two".