13610968913578 has 4 divisors (see below), whose sum is σ = 20416453370370. Its totient is φ = 6805484456788.

The previous prime is 13610968913483. The next prime is 13610968913579. The reversal of 13610968913578 is 87531986901631.

13610968913578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13491465263329 + 119503650249 = 3673073^2 + 345693^2 .

It is not an unprimeable number, because it can be changed into a prime (13610968913579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402742228393 + ... + 3402742228396.

Almost surely, 2^{13610968913578} is an apocalyptic number.

13610968913578 is a deficient number, since it is larger than the sum of its proper divisors (6805484456792).

13610968913578 is an equidigital number, since it uses as much as digits as its factorization.

13610968913578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805484456791.

The product of its (nonzero) digits is 58786560, while the sum is 67.

The spelling of 13610968913578 in words is "thirteen trillion, six hundred ten billion, nine hundred sixty-eight million, nine hundred thirteen thousand, five hundred seventy-eight".