2015225803405 has 8 divisors (see below), whose sum is σ = 2501659618200. Its totient is φ = 1556588206656.

The previous prime is 2015225803403. The next prime is 2015225803433. The reversal of 2015225803405 is 5043085225102.

It can be written as a sum of positive squares in 4 ways, for example, as 197290116 + 2015028513289 = 14046^2 + 1419517^2 .

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 2015225803405 - 2¹ = 2015225803403 is a prime.

It is a super-2 number, since 2×2015225803405² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015225803403) 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, 6949054350 + ... + 6949054639.

It is an arithmetic number, because the mean of its divisors is an integer number (312707452275).

Almost surely, 2^{2015225803405} is an apocalyptic number.

It is an amenable number.

2015225803405 is a deficient number, since it is larger than the sum of its proper divisors (486433814795).

2015225803405 is a wasteful number, since it uses less digits than its factorization.

2015225803405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13898109023.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 2015225803405 in words is "two trillion, fifteen billion, two hundred twenty-five million, eight hundred three thousand, four hundred five".