13455999999 has 24 divisors (see below), whose sum is σ = 20935525520. Its totient is φ = 8279044992.

The previous prime is 13455999983. The next prime is 13456000037. The reversal of 13455999999 is 99999955431.

13455999999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 116000²-1.

It is not a de Polignac number, because 13455999999 - 2⁴ = 13455999983 is a prime.

13455999999 is a modest number, since divided by 999999 gives 13455 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455999929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1037547 + ... + 1050435.

Almost surely, 2^13455999999 is an apocalyptic number.

13455999999 is a deficient number, since it is larger than the sum of its proper divisors (7479525521).

13455999999 is a wasteful number, since it uses less digits than its factorization.

13455999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21831 (or 21828 counting only the distinct ones).

The product of its digits is 159432300, while the sum is 72.

The spelling of 13455999999 in words is "thirteen billion, four hundred fifty-five million, nine hundred ninety-nine thousand, nine hundred ninety-nine".