13535445721156 has 12 divisors (see below), whose sum is σ = 23986865835520. Its totient is φ = 6682055482440.

The previous prime is 13535445721103. The next prime is 13535445721207. The reversal of 13535445721156 is 65112754453531.

13535445721156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21416844180 + ... + 21416844811.

Almost surely, 2^{13535445721156} is an apocalyptic number.

It is an amenable number.

13535445721156 is a deficient number, since it is larger than the sum of its proper divisors (10451420114364).

13535445721156 is a wasteful number, since it uses less digits than its factorization.

13535445721156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42833689074 (or 42833689072 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 52.

The spelling of 13535445721156 in words is "thirteen trillion, five hundred thirty-five billion, four hundred forty-five million, seven hundred twenty-one thousand, one hundred fifty-six".