2504122204545 has 80 divisors (see below), whose sum is σ = 4925379956112. Its totient is φ = 1209538137600.

The previous prime is 2504122204543. The next prime is 2504122204583. The reversal of 2504122204545 is 5454022214052.

2504122204545 is a `hidden beast` number, since 2 + 50 + 41 + 2 + 2 + 20 + 4 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5092392321 + 2499029812224 = 71361^2 + 1580832^2 .

It is not a de Polignac number, because 2504122204545 - 2¹ = 2504122204543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2504122204543) 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 79 ways as a sum of consecutive naturals, for example, 4207906 + ... + 4765995.

Almost surely, 2^{2504122204545} is an apocalyptic number.

It is an amenable number.

2504122204545 is a deficient number, since it is larger than the sum of its proper divisors (2421257751567).

2504122204545 is a wasteful number, since it uses less digits than its factorization.

2504122204545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973984 (or 8973975 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 2504122204545 its reverse (5454022214052), we get a palindrome (7958144418597).

The spelling of 2504122204545 in words is "two trillion, five hundred four billion, one hundred twenty-two million, two hundred four thousand, five hundred forty-five".