111801741628 has 24 divisors (see below), whose sum is σ = 196973813232. Its totient is φ = 55523779584.

The previous prime is 111801741617. The next prime is 111801741631. The reversal of 111801741628 is 826147108111.

111801741628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696551 + ... + 1761217.

It is an arithmetic number, because the mean of its divisors is an integer number (8207242218).

Almost surely, 2^111801741628 is an apocalyptic number.

It is an amenable number.

111801741628 is a deficient number, since it is larger than the sum of its proper divisors (85172071604).

111801741628 is a wasteful number, since it uses less digits than its factorization.

111801741628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67581 (or 67579 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 40.

Adding to 111801741628 its reverse (826147108111), we get a palindrome (937948849739).

The spelling of 111801741628 in words is "one hundred eleven billion, eight hundred one million, seven hundred forty-one thousand, six hundred twenty-eight".