112031453521 has 9 divisors (see below), whose sum is σ = 121316877531. Its totient is φ = 103409632872.

The previous prime is 112031453507. The next prime is 112031453533. The reversal of 112031453521 is 125354130211.

The square root of 112031453521 is 334711.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16572700225 + 95458753296 = 128735^2 + 308964^2 .

It is not a de Polignac number, because 112031453521 - 2¹¹ = 112031451473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112031453521.

It is not an unprimeable number, because it can be changed into a prime (112031453561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4338370 + ... + 4364116.

It is an arithmetic number, because the mean of its divisors is an integer number (13479653059).

Almost surely, 2^112031453521 is an apocalyptic number.

112031453521 is the 334711-st square number.

112031453521 is the 167356-th centered octagonal number.

It is an amenable number.

112031453521 is a deficient number, since it is larger than the sum of its proper divisors (9285424010).

112031453521 is an frugal number, since it uses more digits than its factorization.

112031453521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51520 (or 25760 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Multiplying 112031453521 by its product of nonzero digits (3600), we get a square (403313232675600 = 20082660²).

Adding to 112031453521 its reverse (125354130211), we get a palindrome (237385583732).

The spelling of 112031453521 in words is "one hundred twelve billion, thirty-one million, four hundred fifty-three thousand, five hundred twenty-one".