13775523230785 has 8 divisors (see below), whose sum is σ = 16801621776936. Its totient is φ = 10839755984640.

The previous prime is 13775523230779. The next prime is 13775523230837. The reversal of 13775523230785 is 58703232557731.

It can be written as a sum of positive squares in 4 ways, for example, as 1114052807169 + 12661470423616 = 1055487^2 + 3558296^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13775523230785 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22582824664 + ... + 22582825273.

It is an arithmetic number, because the mean of its divisors is an integer number (2100202722117).

Almost surely, 2^{13775523230785} is an apocalyptic number.

It is an amenable number.

13775523230785 is a deficient number, since it is larger than the sum of its proper divisors (3026098546151).

13775523230785 is an equidigital number, since it uses as much as digits as its factorization.

13775523230785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45165650003.

The product of its (nonzero) digits is 37044000, while the sum is 58.

The spelling of 13775523230785 in words is "thirteen trillion, seven hundred seventy-five billion, five hundred twenty-three million, two hundred thirty thousand, seven hundred eighty-five".