2015161374239 has 32 divisors (see below), whose sum is σ = 2311824763584. Its totient is φ = 1740072867840.

The previous prime is 2015161374227. The next prime is 2015161374241. The reversal of 2015161374239 is 9324731615102.

It is a happy number.

It is not a de Polignac number, because 2015161374239 - 2⁴ = 2015161374223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2015161374239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015161374439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171775004 + ... + 171786734.

It is an arithmetic number, because the mean of its divisors is an integer number (72244523862).

Almost surely, 2^{2015161374239} is an apocalyptic number.

2015161374239 is a deficient number, since it is larger than the sum of its proper divisors (296663389345).

2015161374239 is a wasteful number, since it uses less digits than its factorization.

2015161374239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 2015161374239 in words is "two trillion, fifteen billion, one hundred sixty-one million, three hundred seventy-four thousand, two hundred thirty-nine".