111358434 has 64 divisors (see below), whose sum is σ = 255104640. Its totient is φ = 32094720.

The previous prime is 111358397. The next prime is 111358453. The reversal of 111358434 is 434853111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139324 + ... + 140120.

It is an arithmetic number, because the mean of its divisors is an integer number (3986010).

Almost surely, 2^111358434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111358434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127552320).

111358434 is an abundant number, since it is smaller than the sum of its proper divisors (143746206).

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

111358434 is a wasteful number, since it uses less digits than its factorization.

111358434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 5760, while the sum is 30.

The square root of 111358434 is about 10552.6505675115. The cubic root of 111358434 is about 481.1062937650.

The spelling of 111358434 in words is "one hundred eleven million, three hundred fifty-eight thousand, four hundred thirty-four".