13513345435545 has 32 divisors (see below), whose sum is σ = 21669795838080. Its totient is φ = 7190984317440.

The previous prime is 13513345435529. The next prime is 13513345435553. The reversal of 13513345435545 is 54553454331531.

It is not a de Polignac number, because 13513345435545 - 2⁴ = 13513345435529 is a prime.

It is a super-2 number, since 2×13513345435545² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14532915 + ... + 15434775.

It is an arithmetic number, because the mean of its divisors is an integer number (677181119940).

Almost surely, 2^{13513345435545} is an apocalyptic number.

13513345435545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13513345435545 is a deficient number, since it is larger than the sum of its proper divisors (8156450402535).

13513345435545 is a wasteful number, since it uses less digits than its factorization.

13513345435545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904105.

The product of its digits is 16200000, while the sum is 51.

The spelling of 13513345435545 in words is "thirteen trillion, five hundred thirteen billion, three hundred forty-five million, four hundred thirty-five thousand, five hundred forty-five".