111331640027 has 8 divisors (see below), whose sum is σ = 112420578816. Its totient is φ = 110242856232.

The previous prime is 111331639999. The next prime is 111331640039. The reversal of 111331640027 is 720046133111.

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

It is a cyclic number.

It is not a de Polignac number, because 111331640027 - 2⁶ = 111331639963 is a prime.

It is a super-2 number, since 2×111331640027² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111331640327) 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, 1854008 + ... + 1913114.

It is an arithmetic number, because the mean of its divisors is an integer number (14052572352).

Almost surely, 2^111331640027 is an apocalyptic number.

111331640027 is a deficient number, since it is larger than the sum of its proper divisors (1088938789).

111331640027 is a wasteful number, since it uses less digits than its factorization.

111331640027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77497.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 111331640027 its reverse (720046133111), we get a palindrome (831377773138).

The spelling of 111331640027 in words is "one hundred eleven billion, three hundred thirty-one million, six hundred forty thousand, twenty-seven".