16115520743101 has 16 divisors (see below), whose sum is σ = 17640085528240. Its totient is φ = 14631668305920.

The previous prime is 16115520743093. The next prime is 16115520743117. The reversal of 16115520743101 is 10134702551161.

It can be written as a sum of positive squares in 8 ways, for example, as 4034578407876 + 12080942335225 = 2008626^2 + 3475765^2 .

It is a cyclic number.

It is not a de Polignac number, because 16115520743101 - 2³ = 16115520743093 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 (16115520743801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39182941 + ... + 39592093.

It is an arithmetic number, because the mean of its divisors is an integer number (1102505345515).

Almost surely, 2^{16115520743101} is an apocalyptic number.

It is an amenable number.

16115520743101 is a deficient number, since it is larger than the sum of its proper divisors (1524564785139).

16115520743101 is a wasteful number, since it uses less digits than its factorization.

16115520743101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458896.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 16115520743101 in words is "sixteen trillion, one hundred fifteen billion, five hundred twenty million, seven hundred forty-three thousand, one hundred one".