111832055 has 4 divisors (see below), whose sum is σ = 134198472. Its totient is φ = 89465640.

The previous prime is 111832037. The next prime is 111832057. The reversal of 111832055 is 550238111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550238111 = 151 ⋅3643961.

It is not a de Polignac number, because 111832055 - 2¹² = 111827959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111832057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11183201 + ... + 11183210.

It is an arithmetic number, because the mean of its divisors is an integer number (33549618).

Almost surely, 2^111832055 is an apocalyptic number.

111832055 is a deficient number, since it is larger than the sum of its proper divisors (22366417).

111832055 is an equidigital number, since it uses as much as digits as its factorization.

111832055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22366416.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 111832055 is about 10575.0676120770. The cubic root of 111832055 is about 481.7873969834.

The spelling of 111832055 in words is "one hundred eleven million, eight hundred thirty-two thousand, fifty-five".