2443225251505 has 4 divisors (see below), whose sum is σ = 2931870301812. Its totient is φ = 1954580201200.

The previous prime is 2443225251491. The next prime is 2443225251553. The reversal of 2443225251505 is 5051525223442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 889490424384 + 1553734827121 = 943128^2 + 1246489^2 .

It is not a de Polignac number, because 2443225251505 - 2⁷ = 2443225251377 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 244322525146 + ... + 244322525155.

It is an arithmetic number, because the mean of its divisors is an integer number (732967575453).

Almost surely, 2^{2443225251505} is an apocalyptic number.

It is an amenable number.

2443225251505 is a deficient number, since it is larger than the sum of its proper divisors (488645050307).

2443225251505 is an equidigital number, since it uses as much as digits as its factorization.

2443225251505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488645050306.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 2443225251505 in words is "two trillion, four hundred forty-three billion, two hundred twenty-five million, two hundred fifty-one thousand, five hundred five".