110642111638 has 8 divisors (see below), whose sum is σ = 166099541832. Its totient is φ = 55275597696.

The previous prime is 110642111633. The next prime is 110642111651. The reversal of 110642111638 is 836111246011.

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

It is a super-3 number, since 3×110642111638³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110642111633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22726020 + ... + 22730887.

It is an arithmetic number, because the mean of its divisors is an integer number (20762442729).

Almost surely, 2^110642111638 is an apocalyptic number.

110642111638 is a deficient number, since it is larger than the sum of its proper divisors (55457430194).

110642111638 is a wasteful number, since it uses less digits than its factorization.

110642111638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45458126.

The product of its (nonzero) digits is 6912, while the sum is 34.

Adding to 110642111638 its reverse (836111246011), we get a palindrome (946753357649).

The spelling of 110642111638 in words is "one hundred ten billion, six hundred forty-two million, one hundred eleven thousand, six hundred thirty-eight".