111551134162 has 16 divisors (see below), whose sum is σ = 180240180120. Its totient is φ = 51473083392.

The previous prime is 111551134159. The next prime is 111551134181. The reversal of 111551134162 is 261431155111.

It can be written as a sum of positive squares in 4 ways, for example, as 99615353161 + 11935781001 = 315619^2 + 109251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388653 + ... + 611680.

Almost surely, 2^111551134162 is an apocalyptic number.

111551134162 is a deficient number, since it is larger than the sum of its proper divisors (68689045958).

111551134162 is a wasteful number, since it uses less digits than its factorization.

111551134162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004637.

The product of its digits is 3600, while the sum is 31.

Adding to 111551134162 its reverse (261431155111), we get a palindrome (372982289273).

The spelling of 111551134162 in words is "one hundred eleven billion, five hundred fifty-one million, one hundred thirty-four thousand, one hundred sixty-two".