111530640050 has 12 divisors (see below), whose sum is σ = 207446990586. Its totient is φ = 44612256000.

The previous prime is 111530640037. The next prime is 111530640059. The reversal of 111530640050 is 50046035111.

It can be written as a sum of positive squares in 3 ways, for example, as 72278709409 + 39251930641 = 268847^2 + 198121^2 .

It is not an unprimeable number, because it can be changed into a prime (111530640059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115306351 + ... + 1115306450.

Almost surely, 2^111530640050 is an apocalyptic number.

111530640050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111530640050 is a deficient number, since it is larger than the sum of its proper divisors (95916350536).

111530640050 is a wasteful number, since it uses less digits than its factorization.

111530640050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230612813 (or 2230612808 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 111530640050 its reverse (50046035111), we get a palindrome (161576675161).

The spelling of 111530640050 in words is "one hundred eleven billion, five hundred thirty million, six hundred forty thousand, fifty".