111850457472 has 384 divisors, whose sum is σ = 361328839200. Its totient is φ = 33857740800.

The previous prime is 111850457393. The next prime is 111850457479. The reversal of 111850457472 is 274754058111.

111850457472 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 5 + 0 + 4 + 574 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111850457479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 712423218 + ... + 712423374.

Almost surely, 2^111850457472 is an apocalyptic number.

111850457472 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 111850457472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180664419600).

111850457472 is an abundant number, since it is smaller than the sum of its proper divisors (249478381728).

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

111850457472 is a wasteful number, since it uses less digits than its factorization.

111850457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 111850457472 in words is "one hundred eleven billion, eight hundred fifty million, four hundred fifty-seven thousand, four hundred seventy-two".