111147273648 has 60 divisors (see below), whose sum is σ = 312268441368. Its totient is φ = 36904919040.

The previous prime is 111147273599. The next prime is 111147273649. The reversal of 111147273648 is 846372741111.

111147273648 is a `hidden beast` number, since 1 + 111 + 472 + 7 + 3 + 64 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (111147273649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1464658 + ... + 1538673.

Almost surely, 2^111147273648 is an apocalyptic number.

111147273648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

111147273648 is an abundant number, since it is smaller than the sum of its proper divisors (201121167720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111147273648 is a wasteful number, since it uses less digits than its factorization.

111147273648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003602 (or 3003593 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 111147273648 in words is "one hundred eleven billion, one hundred forty-seven million, two hundred seventy-three thousand, six hundred forty-eight".