111343601677 has 8 divisors (see below), whose sum is σ = 138817996992. Its totient is φ = 86761248000.

The previous prime is 111343601639. The next prime is 111343601687. The reversal of 111343601677 is 776106343111.

It is a happy number.

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

It is not a de Polignac number, because 111343601677 - 2¹⁵ = 111343568909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111343601617) 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, 723010324 + ... + 723010477.

It is an arithmetic number, because the mean of its divisors is an integer number (17352249624).

Almost surely, 2^111343601677 is an apocalyptic number.

It is an amenable number.

111343601677 is a deficient number, since it is larger than the sum of its proper divisors (27474395315).

111343601677 is a wasteful number, since it uses less digits than its factorization.

111343601677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446020819.

The product of its (nonzero) digits is 63504, while the sum is 40.

Adding to 111343601677 its reverse (776106343111), we get a palindrome (887449944788).

The spelling of 111343601677 in words is "one hundred eleven billion, three hundred forty-three million, six hundred one thousand, six hundred seventy-seven".