13265516087 has 8 divisors (see below), whose sum is σ = 13843751040. Its totient is φ = 12687403960.

The previous prime is 13265516071. The next prime is 13265516101. The reversal of 13265516087 is 78061556231.

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 13265516087 - 2⁴ = 13265516071 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 (13265516027) 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, 241412 + ... + 291222.

It is an arithmetic number, because the mean of its divisors is an integer number (1730468880).

Almost surely, 2^13265516087 is an apocalyptic number.

13265516087 is a deficient number, since it is larger than the sum of its proper divisors (578234953).

13265516087 is a wasteful number, since it uses less digits than its factorization.

13265516087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61413.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 13265516087 in words is "thirteen billion, two hundred sixty-five million, five hundred sixteen thousand, eighty-seven".