111378973546152 has 1024 divisors, whose sum is σ = 368904388608000. Its totient is φ = 30849345331200.

The previous prime is 111378973546039. The next prime is 111378973546157. The reversal of 111378973546152 is 251645379873111.

111378973546152 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 7 + 8 + 9 + 7 + 3 + 5 + 4 + 615 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 111378973546152.

It is not an unprimeable number, because it can be changed into a prime (111378973546157) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10869417493 + ... + 10869427739.

It is an arithmetic number, because the mean of its divisors is an integer number (360258192000).

Almost surely, 2^{111378973546152} is an apocalyptic number.

111378973546152 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 111378973546152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184452194304000).

111378973546152 is an abundant number, since it is smaller than the sum of its proper divisors (257525415061848).

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

111378973546152 is a wasteful number, since it uses less digits than its factorization.

111378973546152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479 (or 10469 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 63.

The spelling of 111378973546152 in words is "one hundred eleven trillion, three hundred seventy-eight billion, nine hundred seventy-three million, five hundred forty-six thousand, one hundred fifty-two".