111020544052 has 12 divisors (see below), whose sum is σ = 211948311456. Its totient is φ = 50463883640.

The previous prime is 111020543999. The next prime is 111020544073. The reversal of 111020544052 is 250445020111.

It is a super-2 number, since 2×111020544052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261597048 + ... + 1261597135.

It is an arithmetic number, because the mean of its divisors is an integer number (17662359288).

Almost surely, 2^111020544052 is an apocalyptic number.

It is an amenable number.

111020544052 is a deficient number, since it is larger than the sum of its proper divisors (100927767404).

111020544052 is a wasteful number, since it uses less digits than its factorization.

111020544052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523194198 (or 2523194196 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 111020544052 its reverse (250445020111), we get a palindrome (361465564163).

The spelling of 111020544052 in words is "one hundred eleven billion, twenty million, five hundred forty-four thousand, fifty-two".