2015112001 has 8 divisors (see below), whose sum is σ = 2306239040. Its totient is φ = 1724798448.

The previous prime is 2015111999. The next prime is 2015112007. The reversal of 2015112001 is 1002115102.

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 2015112001 - 2¹ = 2015111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2015112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198051 + ... + 207976.

It is an arithmetic number, because the mean of its divisors is an integer number (288279880).

Almost surely, 2^2015112001 is an apocalyptic number.

It is an amenable number.

2015112001 is a deficient number, since it is larger than the sum of its proper divisors (291127039).

2015112001 is an equidigital number, since it uses as much as digits as its factorization.

2015112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406743.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2015112001 is about 44889.9988973045. The cubic root of 2015112001 is about 1263.0864120994.

Adding to 2015112001 its reverse (1002115102), we get a palindrome (3017227103).

The spelling of 2015112001 in words is "two billion, fifteen million, one hundred twelve thousand, one".