13455506605087 has 4 divisors (see below), whose sum is σ = 13455546172776. Its totient is φ = 13455467037400.

The previous prime is 13455506605081. The next prime is 13455506605091. The reversal of 13455506605087 is 78050660555431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13455506605087 - 2³⁵ = 13421146866719 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 (13455506605081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19269289 + ... + 19955362.

It is an arithmetic number, because the mean of its divisors is an integer number (3363886543194).

Almost surely, 2^{13455506605087} is an apocalyptic number.

13455506605087 is a deficient number, since it is larger than the sum of its proper divisors (39567689).

13455506605087 is an equidigital number, since it uses as much as digits as its factorization.

13455506605087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39567688.

The product of its (nonzero) digits is 15120000, while the sum is 55.

The spelling of 13455506605087 in words is "thirteen trillion, four hundred fifty-five billion, five hundred six million, six hundred five thousand, eighty-seven".