1316235515525 has 12 divisors (see below), whose sum is σ = 1865293759392. Its totient is φ = 902561496240.

The previous prime is 1316235515521. The next prime is 1316235515591. The reversal of 1316235515525 is 5255155326131.

It is a happy number.

It is not a de Polignac number, because 1316235515525 - 2² = 1316235515521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316235515521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3760672727 + ... + 3760673076.

It is an arithmetic number, because the mean of its divisors is an integer number (155441146616).

Almost surely, 2^{1316235515525} is an apocalyptic number.

It is an amenable number.

1316235515525 is a deficient number, since it is larger than the sum of its proper divisors (549058243867).

1316235515525 is an equidigital number, since it uses as much as digits as its factorization.

1316235515525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521345820 (or 7521345815 counting only the distinct ones).

The product of its digits is 675000, while the sum is 44.

The spelling of 1316235515525 in words is "one trillion, three hundred sixteen billion, two hundred thirty-five million, five hundred fifteen thousand, five hundred twenty-five".