2505435545242 has 24 divisors (see below), whose sum is σ = 4374788907060. Its totient is φ = 1073006625600.

The previous prime is 2505435545209. The next prime is 2505435545269. The reversal of 2505435545242 is 2425455345052.

It can be written as a sum of positive squares in 2 ways, for example, as 1650533742361 + 854901802881 = 1284731^2 + 924609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2505435545192 and 2505435545201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8805259 + ... + 9085342.

Almost surely, 2^{2505435545242} is an apocalyptic number.

2505435545242 is a deficient number, since it is larger than the sum of its proper divisors (1869353361818).

2505435545242 is a wasteful number, since it uses less digits than its factorization.

2505435545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17892046 (or 17892039 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 46.

The spelling of 2505435545242 in words is "two trillion, five hundred five billion, four hundred thirty-five million, five hundred forty-five thousand, two hundred forty-two".