111355677789 has 16 divisors (see below), whose sum is σ = 149068225920. Its totient is φ = 73940333760.

The previous prime is 111355677751. The next prime is 111355677791. The reversal of 111355677789 is 987776553111.

It is not a de Polignac number, because 111355677789 - 2⁷ = 111355677661 is a prime.

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 (111355677089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2228127 + ... + 2277555.

It is an arithmetic number, because the mean of its divisors is an integer number (9316764120).

Almost surely, 2^111355677789 is an apocalyptic number.

It is an amenable number.

111355677789 is a deficient number, since it is larger than the sum of its proper divisors (37712548131).

111355677789 is a wasteful number, since it uses less digits than its factorization.

111355677789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52420.

The product of its digits is 11113200, while the sum is 60.

The spelling of 111355677789 in words is "one hundred eleven billion, three hundred fifty-five million, six hundred seventy-seven thousand, seven hundred eighty-nine".