13855335551 has 8 divisors (see below), whose sum is σ = 14064335280. Its totient is φ = 13646400768.

The previous prime is 13855335509. The next prime is 13855335569. The reversal of 13855335551 is 15553355831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13855335551 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 (13855335581) 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, 573545 + ... + 597213.

It is an arithmetic number, because the mean of its divisors is an integer number (1758041910).

Almost surely, 2^13855335551 is an apocalyptic number.

13855335551 is a deficient number, since it is larger than the sum of its proper divisors (208999729).

13855335551 is an equidigital number, since it uses as much as digits as its factorization.

13855335551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32473.

The product of its digits is 675000, while the sum is 44.

The spelling of 13855335551 in words is "thirteen billion, eight hundred fifty-five million, three hundred thirty-five thousand, five hundred fifty-one".