2505120045 has 8 divisors (see below), whose sum is σ = 4008192096. Its totient is φ = 1336064016.

The previous prime is 2505120031. The next prime is 2505120067. The reversal of 2505120045 is 5400215052.

It is a happy number.

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

It is not a de Polignac number, because 2505120045 - 2⁷ = 2505119917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2505119997 and 2505120024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83503987 + ... + 83504016.

It is an arithmetic number, because the mean of its divisors is an integer number (501024012).

Almost surely, 2^2505120045 is an apocalyptic number.

It is an amenable number.

2505120045 is a deficient number, since it is larger than the sum of its proper divisors (1503072051).

2505120045 is a wasteful number, since it uses less digits than its factorization.

2505120045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167008011.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2505120045 is about 50051.1742619491. The cubic root of 2505120045 is about 1358.1347058563.

Adding to 2505120045 its reverse (5400215052), we get a palindrome (7905335097).

The spelling of 2505120045 in words is "two billion, five hundred five million, one hundred twenty thousand, forty-five".