13486857551 has 6 divisors (see below), whose sum is σ = 13935952656. Its totient is φ = 13051796700.

The previous prime is 13486857547. The next prime is 13486857557. The reversal of 13486857551 is 15575868431.

It is not a de Polignac number, because 13486857551 - 2² = 13486857547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13486857493 and 13486857502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13486857557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7016135 + ... + 7018056.

It is an arithmetic number, because the mean of its divisors is an integer number (2322658776).

Almost surely, 2^13486857551 is an apocalyptic number.

13486857551 is a deficient number, since it is larger than the sum of its proper divisors (449095105).

13486857551 is an equidigital number, since it uses as much as digits as its factorization.

13486857551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034253 (or 14034222 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 53.

The spelling of 13486857551 in words is "thirteen billion, four hundred eighty-six million, eight hundred fifty-seven thousand, five hundred fifty-one".