111912000273 has 24 divisors (see below), whose sum is σ = 168515483136. Its totient is φ = 74217351600.

The previous prime is 111912000271. The next prime is 111912000287. The reversal of 111912000273 is 372000219111.

111912000273 is a `hidden beast` number, since 1 + 1 + 191 + 200 + 0 + 273 = 666.

It is not a de Polignac number, because 111912000273 - 2¹ = 111912000271 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111912000271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1159198 + ... + 1252023.

It is an arithmetic number, because the mean of its divisors is an integer number (7021478464).

Almost surely, 2^111912000273 is an apocalyptic number.

It is an amenable number.

111912000273 is a deficient number, since it is larger than the sum of its proper divisors (56603482863).

111912000273 is an equidigital number, since it uses as much as digits as its factorization.

111912000273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411427 (or 2411415 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

Adding to 111912000273 its reverse (372000219111), we get a palindrome (483912219384).

The spelling of 111912000273 in words is "one hundred eleven billion, nine hundred twelve million, two hundred seventy-three", and thus it is an aban number.