1043303555425 has 12 divisors (see below), whose sum is σ = 1293713157996. Its totient is φ = 834632038400.

The previous prime is 1043303555423. The next prime is 1043303555449. The reversal of 1043303555425 is 5245553033401.

It can be written as a sum of positive squares in 6 ways, for example, as 152075041024 + 891228514401 = 389968^2 + 944049^2 .

It is not a de Polignac number, because 1043303555425 - 2¹ = 1043303555423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043303555423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110965 + ... + 2557885.

It is an arithmetic number, because the mean of its divisors is an integer number (107809429833).

Almost surely, 2^{1043303555425} is an apocalyptic number.

It is an amenable number.

1043303555425 is a deficient number, since it is larger than the sum of its proper divisors (250409602571).

1043303555425 is an equidigital number, since it uses as much as digits as its factorization.

1043303555425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540308 (or 540303 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 1043303555425 its reverse (5245553033401), we get a palindrome (6288856588826).

The spelling of 1043303555425 in words is "one trillion, forty-three billion, three hundred three million, five hundred fifty-five thousand, four hundred twenty-five".