13553310540425 has 12 divisors (see below), whose sum is σ = 17036325689820. Its totient is φ = 10694119000320.

The previous prime is 13553310540403. The next prime is 13553310540431. The reversal of 13553310540425 is 52404501335531.

It can be written as a sum of positive squares in 6 ways, for example, as 1813073022016 + 11740237518409 = 1346504^2 + 3426403^2 .

It is not a de Polignac number, because 13553310540425 - 2¹⁰ = 13553310539401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3713233940 + ... + 3713237589.

It is an arithmetic number, because the mean of its divisors is an integer number (1419693807485).

Almost surely, 2^{13553310540425} is an apocalyptic number.

It is an amenable number.

13553310540425 is a deficient number, since it is larger than the sum of its proper divisors (3483015149395).

13553310540425 is an equidigital number, since it uses as much as digits as its factorization.

13553310540425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426471612 (or 7426471607 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 13553310540425 its reverse (52404501335531), we get a palindrome (65957811875956).

The spelling of 13553310540425 in words is "thirteen trillion, five hundred fifty-three billion, three hundred ten million, five hundred forty thousand, four hundred twenty-five".