2015161767243 has 16 divisors (see below), whose sum is σ = 2985680887200. Its totient is φ = 1343325957120.

The previous prime is 2015161767191. The next prime is 2015161767247. The reversal of 2015161767243 is 3427671615102.

2015161767243 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 1 + 617 + 6 + 7 + 24 + 3 = 666.

It is not a de Polignac number, because 2015161767243 - 2⁸ = 2015161766987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2015161767247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2879358 + ... + 3510131.

It is an arithmetic number, because the mean of its divisors is an integer number (186605055450).

Almost surely, 2^{2015161767243} is an apocalyptic number.

2015161767243 is a deficient number, since it is larger than the sum of its proper divisors (970519119957).

2015161767243 is a wasteful number, since it uses less digits than its factorization.

2015161767243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401179 (or 6401173 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 2015161767243 in words is "two trillion, fifteen billion, one hundred sixty-one million, seven hundred sixty-seven thousand, two hundred forty-three".