16113535453 has 4 divisors (see below), whose sum is σ = 16197025468. Its totient is φ = 16030045440.

The previous prime is 16113535433. The next prime is 16113535457. The reversal of 16113535453 is 35453531161.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5767187364 + 10346348089 = 75942^2 + 101717^2 .

It is a cyclic number.

It is not a de Polignac number, because 16113535453 - 2¹⁷ = 16113404381 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 (16113535457) 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, 41744718 + ... + 41745103.

It is an arithmetic number, because the mean of its divisors is an integer number (4049256367).

Almost surely, 2^16113535453 is an apocalyptic number.

It is an amenable number.

16113535453 is a deficient number, since it is larger than the sum of its proper divisors (83490015).

16113535453 is an equidigital number, since it uses as much as digits as its factorization.

16113535453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83490014.

The product of its digits is 81000, while the sum is 37.

The spelling of 16113535453 in words is "sixteen billion, one hundred thirteen million, five hundred thirty-five thousand, four hundred fifty-three".