1316551435525 has 6 divisors (see below), whose sum is σ = 1632523780082. Its totient is φ = 1053241148400.

The previous prime is 1316551435487. The next prime is 1316551435531. The reversal of 1316551435525 is 5255341556131.

It can be written as a sum of positive squares in 3 ways, for example, as 422908298596 + 893643136929 = 650314^2 + 945327^2 .

It is not a de Polignac number, because 1316551435525 - 2⁹ = 1316551435013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26331028686 + ... + 26331028735.

Almost surely, 2^{1316551435525} is an apocalyptic number.

It is an amenable number.

1316551435525 is a deficient number, since it is larger than the sum of its proper divisors (315972344557).

1316551435525 is an equidigital number, since it uses as much as digits as its factorization.

1316551435525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52662057431 (or 52662057426 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 46.

The spelling of 1316551435525 in words is "one trillion, three hundred sixteen billion, five hundred fifty-one million, four hundred thirty-five thousand, five hundred twenty-five".