111234455677 has 8 divisors (see below), whose sum is σ = 111776970816. Its totient is φ = 110693216832.

The previous prime is 111234455671. The next prime is 111234455699. The reversal of 111234455677 is 776554432111.

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 111234455677 - 2³ = 111234455669 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111234455671) 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, 144108 + ... + 493189.

It is an arithmetic number, because the mean of its divisors is an integer number (13972121352).

Almost surely, 2^111234455677 is an apocalyptic number.

It is an amenable number.

111234455677 is a deficient number, since it is larger than the sum of its proper divisors (542515139).

111234455677 is an equidigital number, since it uses as much as digits as its factorization.

111234455677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638147.

The product of its digits is 705600, while the sum is 46.

Adding to 111234455677 its reverse (776554432111), we get a palindrome (887788887788).

The spelling of 111234455677 in words is "one hundred eleven billion, two hundred thirty-four million, four hundred fifty-five thousand, six hundred seventy-seven".