13875509311 has 8 divisors (see below), whose sum is σ = 14083599600. Its totient is φ = 13668578880.

The previous prime is 13875509303. The next prime is 13875509321. The reversal of 13875509311 is 11390557831.

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 13875509311 - 2³ = 13875509303 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 (13875509321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265845 + ... + 313726.

It is an arithmetic number, because the mean of its divisors is an integer number (1760449950).

Almost surely, 2^13875509311 is an apocalyptic number.

13875509311 is a deficient number, since it is larger than the sum of its proper divisors (208090289).

13875509311 is an equidigital number, since it uses as much as digits as its factorization.

13875509311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579929.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 13875509311 in words is "thirteen billion, eight hundred seventy-five million, five hundred nine thousand, three hundred eleven".