1365555541325 has 12 divisors (see below), whose sum is σ = 1721988684480. Its totient is φ = 1073928424560.

The previous prime is 1365555541319. The next prime is 1365555541373. The reversal of 1365555541325 is 5231455555631.

It is a happy number.

It is not a de Polignac number, because 1365555541325 - 2⁴ = 1365555541309 is a prime.

It is a congruent number.

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, 462898709 + ... + 462901658.

It is an arithmetic number, because the mean of its divisors is an integer number (143499057040).

Almost surely, 2^{1365555541325} is an apocalyptic number.

It is an amenable number.

1365555541325 is a deficient number, since it is larger than the sum of its proper divisors (356433143155).

1365555541325 is an equidigital number, since it uses as much as digits as its factorization.

1365555541325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925800436 (or 925800431 counting only the distinct ones).

The product of its digits is 6750000, while the sum is 50.

The spelling of 1365555541325 in words is "one trillion, three hundred sixty-five billion, five hundred fifty-five million, five hundred forty-one thousand, three hundred twenty-five".