1516331138859 has 6 divisors (see below), whose sum is σ = 2190256089476. Its totient is φ = 1010887425900.

The previous prime is 1516331138857. The next prime is 1516331138887. The reversal of 1516331138859 is 9588311336151.

It is a happy number.

1516331138859 is a `hidden beast` number, since 1 + 516 + 3 + 3 + 11 + 38 + 85 + 9 = 666.

It is not a de Polignac number, because 1516331138859 - 2¹ = 1516331138857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516331138857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84240618817 + ... + 84240618834.

Almost surely, 2^{1516331138859} is an apocalyptic number.

1516331138859 is a deficient number, since it is larger than the sum of its proper divisors (673924950617).

1516331138859 is a wasteful number, since it uses less digits than its factorization.

1516331138859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168481237657 (or 168481237654 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The spelling of 1516331138859 in words is "one trillion, five hundred sixteen billion, three hundred thirty-one million, one hundred thirty-eight thousand, eight hundred fifty-nine".