111449450962512 has 640 divisors, whose sum is σ = 353781356544000. Its totient is φ = 33377695432704.

The previous prime is 111449450962483. The next prime is 111449450962667. The reversal of 111449450962512 is 215269054944111.

111449450962512 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 9 + 4 + 5 + 0 + 9 + 625 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65597086239 + ... + 65597087937.

It is an arithmetic number, because the mean of its divisors is an integer number (552783369600).

Almost surely, 2^{111449450962512} is an apocalyptic number.

111449450962512 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 111449450962512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176890678272000).

111449450962512 is an abundant number, since it is smaller than the sum of its proper divisors (242331905581488).

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

111449450962512 is a wasteful number, since it uses less digits than its factorization.

111449450962512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 111449450962512 in words is "one hundred eleven trillion, four hundred forty-nine billion, four hundred fifty million, nine hundred sixty-two thousand, five hundred twelve".