2015011321301 has 16 divisors (see below), whose sum is σ = 2207522999808. Its totient is φ = 1824058230000.

The previous prime is 2015011321289. The next prime is 2015011321321. The reversal of 2015011321301 is 1031231105102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015011321301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015011321321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10805216 + ... + 10990118.

It is an arithmetic number, because the mean of its divisors is an integer number (137970187488).

Almost surely, 2^{2015011321301} is an apocalyptic number.

It is an amenable number.

2015011321301 is a deficient number, since it is larger than the sum of its proper divisors (192511678507).

2015011321301 is a wasteful number, since it uses less digits than its factorization.

2015011321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189112.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 2015011321301 its reverse (1031231105102), we get a palindrome (3046242426403).

The spelling of 2015011321301 in words is "two trillion, fifteen billion, eleven million, three hundred twenty-one thousand, three hundred one".