1112161523 has 8 divisors (see below), whose sum is σ = 1277123520. Its totient is φ = 957842280.

The previous prime is 1112161499. The next prime is 1112161529. The reversal of 1112161523 is 3251612111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112161523 - 2¹² = 1112157427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112161529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2660465 + ... + 2660882.

It is an arithmetic number, because the mean of its divisors is an integer number (159640440).

Almost surely, 2^1112161523 is an apocalyptic number.

1112161523 is a deficient number, since it is larger than the sum of its proper divisors (164961997).

1112161523 is a wasteful number, since it uses less digits than its factorization.

1112161523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321377.

The product of its digits is 360, while the sum is 23.

The square root of 1112161523 is about 33349.0857895685. The cubic root of 1112161523 is about 1036.0704532495.

Adding to 1112161523 its reverse (3251612111), we get a palindrome (4363773634).

The spelling of 1112161523 in words is "one billion, one hundred twelve million, one hundred sixty-one thousand, five hundred twenty-three".