111453768 has 192 divisors, whose sum is σ = 345720960. Its totient is φ = 32237568.

The previous prime is 111453743. The next prime is 111453781. The reversal of 111453768 is 867354111.

111453768 is a `hidden beast` number, since 1 + 114 + 537 + 6 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1041571 + ... + 1041677.

It is an arithmetic number, because the mean of its divisors is an integer number (1800630).

Almost surely, 2^111453768 is an apocalyptic number.

111453768 is a gapful number since it is divisible by the number (18) 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 111453768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172860480).

111453768 is an abundant number, since it is smaller than the sum of its proper divisors (234267192).

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

111453768 is a wasteful number, since it uses less digits than its factorization.

111453768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 189 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 111453768 is about 10557.1666653511. The cubic root of 111453768 is about 481.2435463687.

The spelling of 111453768 in words is "one hundred eleven million, four hundred fifty-three thousand, seven hundred sixty-eight".