16249999871113 has 4 divisors (see below), whose sum is σ = 16250121472068. Its totient is φ = 16249878270160.

The previous prime is 16249999871087. The next prime is 16249999871143. The reversal of 16249999871113 is 31117899994261.

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 14608700669689 + 1641299201424 = 3822133^2 + 1281132^2 .

It is a cyclic number.

It is not a de Polignac number, because 16249999871113 - 2¹⁷ = 16249999740041 is a prime.

It is a super-2 number, since 2×16249999871113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16249999871143) 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, 60599806 + ... + 60867367.

It is an arithmetic number, because the mean of its divisors is an integer number (4062530368017).

Almost surely, 2^{16249999871113} is an apocalyptic number.

It is an amenable number.

16249999871113 is a deficient number, since it is larger than the sum of its proper divisors (121600955).

16249999871113 is a wasteful number, since it uses less digits than its factorization.

16249999871113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121600954.

The product of its digits is 52907904, while the sum is 70.

The spelling of 16249999871113 in words is "sixteen trillion, two hundred forty-nine billion, nine hundred ninety-nine million, eight hundred seventy-one thousand, one hundred thirteen".