111006521644 has 12 divisors (see below), whose sum is σ = 195109717600. Its totient is φ = 55260888048.

The previous prime is 111006521641. The next prime is 111006521653. The reversal of 111006521644 is 446125600111.

It is not an unprimeable number, because it can be changed into a prime (111006521641) 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, 60592164 + ... + 60593995.

Almost surely, 2^111006521644 is an apocalyptic number.

It is an amenable number.

111006521644 is a deficient number, since it is larger than the sum of its proper divisors (84103195956).

111006521644 is a wasteful number, since it uses less digits than its factorization.

111006521644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121186392 (or 121186390 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 111006521644 in words is "one hundred eleven billion, six million, five hundred twenty-one thousand, six hundred forty-four".