112878746562481 has 3 divisors (see below), whose sum is σ = 112878757186923. Its totient is φ = 112878735938040.

The previous prime is 112878746562457. The next prime is 112878746562529. The reversal of 112878746562481 is 184265647878211.

The square root of 112878746562481 is 10624441.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 91922859944881 + 20955886617600 = 9587641^2 + 4577760^2 .

It is not a de Polignac number, because 112878746562481 - 2²¹ = 112878744465329 is a prime.

It is a super-2 number, since 2×112878746562481² (a number of 29 digits) contains 22 as substring.

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 112878746562481.

It is not an unprimeable number, because it can be changed into a prime (112878746562431) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5312221 + ... + 15936661.

It is an arithmetic number, because the mean of its divisors is an integer number (37626252395641).

Almost surely, 2^{112878746562481} is an apocalyptic number.

112878746562481 is the 10624441-st square number.

112878746562481 is the 5312221-st centered octagonal number.

It is an amenable number.

112878746562481 is a deficient number, since it is larger than the sum of its proper divisors (10624442).

112878746562481 is an frugal number, since it uses more digits than its factorization.

112878746562481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21248882 (or 10624441 counting only the distinct ones).

The product of its digits is 289013760, while the sum is 70.

The spelling of 112878746562481 in words is "one hundred twelve trillion, eight hundred seventy-eight billion, seven hundred forty-six million, five hundred sixty-two thousand, four hundred eighty-one".