111204425434164 has 24 divisors (see below), whose sum is σ = 259521676326528. Its totient is φ = 37061758433280.

The previous prime is 111204425434163. The next prime is 111204425434169. The reversal of 111204425434164 is 461434524402111.

It is a super-2 number, since 2×111204425434164² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111204425434163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797849677 + ... + 797989044.

It is an arithmetic number, because the mean of its divisors is an integer number (10813403180272).

Almost surely, 2^{111204425434164} is an apocalyptic number.

It is an amenable number.

111204425434164 is an abundant number, since it is smaller than the sum of its proper divisors (148317250892364).

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

111204425434164 is a wasteful number, since it uses less digits than its factorization.

111204425434164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595844535 (or 1595844533 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

Adding to 111204425434164 its reverse (461434524402111), we get a palindrome (572638949836275).

The spelling of 111204425434164 in words is "one hundred eleven trillion, two hundred four billion, four hundred twenty-five million, four hundred thirty-four thousand, one hundred sixty-four".