111357038278512 has 400 divisors, whose sum is σ = 348679547504288. Its totient is φ = 34248042086400.

The previous prime is 111357038278439. The next prime is 111357038278537. The reversal of 111357038278512 is 215872830753111.

111357038278512 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 5 + 70 + 38 + 27 + 8 + 512 = 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 79 ways as a sum of consecutive naturals, for example, 11598478512 + ... + 11598488112.

Almost surely, 2^{111357038278512} is an apocalyptic number.

111357038278512 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 111357038278512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174339773752144).

111357038278512 is an abundant number, since it is smaller than the sum of its proper divisors (237322509225776).

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

111357038278512 is an frugal number, since it uses more digits than its factorization.

111357038278512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482 (or 12452 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 54.

The spelling of 111357038278512 in words is "one hundred eleven trillion, three hundred fifty-seven billion, thirty-eight million, two hundred seventy-eight thousand, five hundred twelve".