111232140434 has 4 divisors (see below), whose sum is σ = 166848210654. Its totient is φ = 55616070216.

The previous prime is 111232140403. The next prime is 111232140463. The reversal of 111232140434 is 434041232111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434041232111 = 17 ⋅25531837183.

It can be written as a sum of positive squares in only one way, i.e., 75149998225 + 36082142209 = 274135^2 + 189953^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808035107 + ... + 27808035110.

Almost surely, 2^111232140434 is an apocalyptic number.

111232140434 is a deficient number, since it is larger than the sum of its proper divisors (55616070220).

111232140434 is an equidigital number, since it uses as much as digits as its factorization.

111232140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55616070219.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 111232140434 its reverse (434041232111), we get a palindrome (545273372545).

The spelling of 111232140434 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred forty thousand, four hundred thirty-four".