111052972830 has 32 divisors (see below), whose sum is σ = 271555952544. Its totient is φ = 29055368576.

The previous prime is 111052972733. The next prime is 111052972831. The reversal of 111052972830 is 38279250111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111052972831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34920729 + ... + 34923908.

It is an arithmetic number, because the mean of its divisors is an integer number (8486123517).

Almost surely, 2^111052972830 is an apocalyptic number.

111052972830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111052972830 is an abundant number, since it is smaller than the sum of its proper divisors (160502979714).

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

111052972830 is a wasteful number, since it uses less digits than its factorization.

111052972830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69844700.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 111052972830 in words is "one hundred eleven billion, fifty-two million, nine hundred seventy-two thousand, eight hundred thirty".