111688053 has 8 divisors (see below), whose sum is σ = 148967328. Its totient is φ = 74433744.

The previous prime is 111688007. The next prime is 111688081. The reversal of 111688053 is 350886111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111688053 - 2¹⁶ = 111622517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111688553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11026 + ... + 18572.

It is an arithmetic number, because the mean of its divisors is an integer number (18620916).

Almost surely, 2^111688053 is an apocalyptic number.

It is an amenable number.

111688053 is a deficient number, since it is larger than the sum of its proper divisors (37279275).

111688053 is an equidigital number, since it uses as much as digits as its factorization.

111688053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12483.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 111688053 is about 10568.2568572116. The cubic root of 111688053 is about 481.5805148908.

The spelling of 111688053 in words is "one hundred eleven million, six hundred eighty-eight thousand, fifty-three".