2615002004161 has 4 divisors (see below), whose sum is σ = 2615014483924. Its totient is φ = 2614989524400.

The previous prime is 2615002004143. The next prime is 2615002004179. The reversal of 2615002004161 is 1614002005162.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2615002004143) and next prime (2615002004179).

It can be written as a sum of positive squares in 2 ways, for example, as 1993673400625 + 621328603536 = 1411975^2 + 788244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2615002004161 - 2³¹ = 2612854520513 is a prime.

It is a super-2 number, since 2×2615002004161² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2615002004101) 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, 5920110 + ... + 6346471.

It is an arithmetic number, because the mean of its divisors is an integer number (653753620981).

Almost surely, 2^{2615002004161} is an apocalyptic number.

It is an amenable number.

2615002004161 is a deficient number, since it is larger than the sum of its proper divisors (12479763).

2615002004161 is a wasteful number, since it uses less digits than its factorization.

2615002004161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479762.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 2615002004161 in words is "two trillion, six hundred fifteen billion, two million, four thousand, one hundred sixty-one".