13454523545121 has 6 divisors (see below), whose sum is σ = 19434311787410. Its totient is φ = 8969682363408.

The previous prime is 13454523545053. The next prime is 13454523545171. The reversal of 13454523545121 is 12154532545431.

13454523545121 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 4 + 523 + 54 + 51 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12364618864896 + 1089904680225 = 3516336^2 + 1043985^2 .

It is not a de Polignac number, because 13454523545121 - 2¹³ = 13454523536929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13454523545171) 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 5 ways as a sum of consecutive naturals, for example, 747473530276 + ... + 747473530293.

Almost surely, 2^{13454523545121} is an apocalyptic number.

It is an amenable number.

13454523545121 is a deficient number, since it is larger than the sum of its proper divisors (5979788242289).

13454523545121 is a wasteful number, since it uses less digits than its factorization.

13454523545121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494947060575 (or 1494947060572 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The spelling of 13454523545121 in words is "thirteen trillion, four hundred fifty-four billion, five hundred twenty-three million, five hundred forty-five thousand, one hundred twenty-one".