13086487185 has 16 divisors (see below), whose sum is σ = 20942121024. Its totient is φ = 6978212672.

The previous prime is 13086487181. The next prime is 13086487201. The reversal of 13086487185 is 58178468031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13086487185 - 2² = 13086487181 is a prime.

It is a super-2 number, since 2×13086487185² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13086487181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12154 + ... + 162236.

It is an arithmetic number, because the mean of its divisors is an integer number (1308882564).

Almost surely, 2^13086487185 is an apocalyptic number.

13086487185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13086487185 is a deficient number, since it is larger than the sum of its proper divisors (7855633839).

13086487185 is a wasteful number, since it uses less digits than its factorization.

13086487185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155904.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 13086487185 in words is "thirteen billion, eighty-six million, four hundred eighty-seven thousand, one hundred eighty-five".