13751068661 has 8 divisors (see below), whose sum is σ = 15002383584. Its totient is φ = 12499956720.

The previous prime is 13751068631. The next prime is 13751068687. The reversal of 13751068661 is 16686015731.

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

It is a cyclic number.

It is not a de Polignac number, because 13751068661 - 2¹⁴ = 13751052277 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 (13751068601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114251 + ... + 201383.

It is an arithmetic number, because the mean of its divisors is an integer number (1875297948).

Almost surely, 2^13751068661 is an apocalyptic number.

13751068661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13751068661 is a deficient number, since it is larger than the sum of its proper divisors (1251314923).

13751068661 is a wasteful number, since it uses less digits than its factorization.

13751068661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101491.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 13751068661 in words is "thirteen billion, seven hundred fifty-one million, sixty-eight thousand, six hundred sixty-one".