112161720532 has 6 divisors (see below), whose sum is σ = 196283010938. Its totient is φ = 56080860264.

The previous prime is 112161720511. The next prime is 112161720533. The reversal of 112161720532 is 235027161211.

It can be written as a sum of positive squares in only one way, i.e., 79832242116 + 32329478416 = 282546^2 + 179804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112161720494 and 112161720503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112161720533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14020215063 + ... + 14020215070.

Almost surely, 2^112161720532 is an apocalyptic number.

It is an amenable number.

112161720532 is a deficient number, since it is larger than the sum of its proper divisors (84121290406).

112161720532 is a wasteful number, since it uses less digits than its factorization.

112161720532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28040430137 (or 28040430135 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 112161720532 its reverse (235027161211), we get a palindrome (347188881743).

The spelling of 112161720532 in words is "one hundred twelve billion, one hundred sixty-one million, seven hundred twenty thousand, five hundred thirty-two".