111361743 has 8 divisors (see below), whose sum is σ = 164980400. Its totient is φ = 74241144.

The previous prime is 111361741. The next prime is 111361771. The reversal of 111361743 is 347163111.

111361743 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 617 + 43 = 666.

It is not a de Polignac number, because 111361743 - 2¹ = 111361741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4124509 = 111361743 / (1 + 1 + 1 + 3 + 6 + 1 + 7 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111361741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062228 + ... + 2062281.

It is an arithmetic number, because the mean of its divisors is an integer number (20622550).

Almost surely, 2^111361743 is an apocalyptic number.

111361743 is a deficient number, since it is larger than the sum of its proper divisors (53618657).

111361743 is an equidigital number, since it uses as much as digits as its factorization.

111361743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124518 (or 4124512 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 111361743 is about 10552.8073516008. The cubic root of 111361743 is about 481.1110590527. Note that the first 3 decimals are identical.

The spelling of 111361743 in words is "one hundred eleven million, three hundred sixty-one thousand, seven hundred forty-three".