2015001323101 has 8 divisors (see below), whose sum is σ = 2170360959704. Its totient is φ = 1859693048640.

The previous prime is 2015001323089. The next prime is 2015001323147. The reversal of 2015001323101 is 1013231005102.

It can be written as a sum of positive squares in 4 ways, for example, as 23912100 + 2014977411001 = 4890^2 + 1419499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2015001323101 - 2⁷ = 2015001322973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015001323701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12759030 + ... + 12915991.

It is an arithmetic number, because the mean of its divisors is an integer number (271295119963).

Almost surely, 2^{2015001323101} is an apocalyptic number.

It is an amenable number.

2015001323101 is a deficient number, since it is larger than the sum of its proper divisors (155359636603).

2015001323101 is a wasteful number, since it uses less digits than its factorization.

2015001323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25681071.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 2015001323101 its reverse (1013231005102), we get a palindrome (3028232328203).

The spelling of 2015001323101 in words is "two trillion, fifteen billion, one million, three hundred twenty-three thousand, one hundred one".