2987124713161 has 4 divisors (see below), whose sum is σ = 3059981413524. Its totient is φ = 2914268012800.

The previous prime is 2987124713159. The next prime is 2987124713203. The reversal of 2987124713161 is 1613174217892.

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 1797838497225 + 1189286215936 = 1340835^2 + 1090544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2987124713161 - 2¹ = 2987124713159 is a prime.

It is a super-2 number, since 2×2987124713161² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2987124713099 and 2987124713108.

It is not an unprimeable number, because it can be changed into a prime (2987124713861) 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, 36428350120 + ... + 36428350201.

It is an arithmetic number, because the mean of its divisors is an integer number (764995353381).

Almost surely, 2^{2987124713161} is an apocalyptic number.

It is an amenable number.

2987124713161 is a deficient number, since it is larger than the sum of its proper divisors (72856700363).

2987124713161 is an equidigital number, since it uses as much as digits as its factorization.

2987124713161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72856700362.

The product of its digits is 1016064, while the sum is 52.

The spelling of 2987124713161 in words is "two trillion, nine hundred eighty-seven billion, one hundred twenty-four million, seven hundred thirteen thousand, one hundred sixty-one".