2015081953 has 8 divisors (see below), whose sum is σ = 2074298688. Its totient is φ = 1956426864.

The previous prime is 2015081947. The next prime is 2015081963. The reversal of 2015081953 is 3591805102.

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 2015081953 - 2⁵ = 2015081921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015081963) 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 7 ways as a sum of consecutive naturals, for example, 133126 + ... + 147487.

It is an arithmetic number, because the mean of its divisors is an integer number (259287336).

Almost surely, 2^2015081953 is an apocalyptic number.

It is an amenable number.

2015081953 is a deficient number, since it is larger than the sum of its proper divisors (59216735).

2015081953 is a wasteful number, since it uses less digits than its factorization.

2015081953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280823.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 2015081953 is about 44889.6642112636. The cubic root of 2015081953 is about 1263.0801339688.

The spelling of 2015081953 in words is "two billion, fifteen million, eighty-one thousand, nine hundred fifty-three".