111355451126 has 4 divisors (see below), whose sum is σ = 167033176692. Its totient is φ = 55677725562.

The previous prime is 111355451117. The next prime is 111355451131. The reversal of 111355451126 is 621154553111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838862780 + ... + 27838862783.

It is an arithmetic number, because the mean of its divisors is an integer number (41758294173).

Almost surely, 2^111355451126 is an apocalyptic number.

111355451126 is a deficient number, since it is larger than the sum of its proper divisors (55677725566).

111355451126 is an equidigital number, since it uses as much as digits as its factorization.

111355451126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55677725565.

The product of its digits is 18000, while the sum is 35.

The spelling of 111355451126 in words is "one hundred eleven billion, three hundred fifty-five million, four hundred fifty-one thousand, one hundred twenty-six".