13768915525 has 6 divisors (see below), whose sum is σ = 17073455282. Its totient is φ = 11015132400.

The previous prime is 13768915507. The next prime is 13768915529. The reversal of 13768915525 is 52551986731.

It is a happy number.

13768915525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3290596 + 13765624929 = 1814^2 + 117327^2 .

It is not a de Polignac number, because 13768915525 - 2¹³ = 13768907333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13768915529) 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 5 ways as a sum of consecutive naturals, for example, 275378286 + ... + 275378335.

Almost surely, 2^13768915525 is an apocalyptic number.

It is an amenable number.

13768915525 is a deficient number, since it is larger than the sum of its proper divisors (3304539757).

13768915525 is an equidigital number, since it uses as much as digits as its factorization.

13768915525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550756631 (or 550756626 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 52.

The spelling of 13768915525 in words is "thirteen billion, seven hundred sixty-eight million, nine hundred fifteen thousand, five hundred twenty-five".