111355111164 has 48 divisors (see below), whose sum is σ = 290041234560. Its totient is φ = 32959227840.

The previous prime is 111355111159. The next prime is 111355111181. The reversal of 111355111164 is 461111553111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9803619 + ... + 9814970.

It is an arithmetic number, because the mean of its divisors is an integer number (6042525720).

Almost surely, 2^111355111164 is an apocalyptic number.

It is an amenable number.

111355111164 is an abundant number, since it is smaller than the sum of its proper divisors (178686123396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111355111164 is a wasteful number, since it uses less digits than its factorization.

111355111164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618650 (or 19618648 counting only the distinct ones).

The product of its digits is 1800, while the sum is 30.

Adding to 111355111164 its reverse (461111553111), we get a palindrome (572466664275).

The spelling of 111355111164 in words is "one hundred eleven billion, three hundred fifty-five million, one hundred eleven thousand, one hundred sixty-four".