2015815002436 has 27 divisors (see below), whose sum is σ = 3723215031711. Its totient is φ = 954834181704.

The previous prime is 2015815002433. The next prime is 2015815002469. The reversal of 2015815002436 is 6342005185102.

The square root of 2015815002436 is 1419794.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2015815002395 and 2015815002404.

It is not an unprimeable number, because it can be changed into a prime (2015815002433) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53933491 + ... + 53970853.

Almost surely, 2^{2015815002436} is an apocalyptic number.

2015815002436 is the 1419794-th square number.

It is an amenable number.

2015815002436 is a deficient number, since it is larger than the sum of its proper divisors (1707400029275).

2015815002436 is an frugal number, since it uses more digits than its factorization.

2015815002436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74768 (or 37384 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 2015815002436 in words is "two trillion, fifteen billion, eight hundred fifteen million, two thousand, four hundred thirty-six".