2505252780553 has 8 divisors (see below), whose sum is σ = 2569462321536. Its totient is φ = 2441313596400.

The previous prime is 2505252780539. The next prime is 2505252780577. The reversal of 2505252780553 is 3550872525052.

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

It is not a de Polignac number, because 2505252780553 - 2⁴¹ = 306229525001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505252780497 and 2505252780506.

It is not an unprimeable number, because it can be changed into a prime (2505252880553) 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, 67570438 + ... + 67607503.

It is an arithmetic number, because the mean of its divisors is an integer number (321182790192).

Almost surely, 2^{2505252780553} is an apocalyptic number.

It is an amenable number.

2505252780553 is a deficient number, since it is larger than the sum of its proper divisors (64209540983).

2505252780553 is a wasteful number, since it uses less digits than its factorization.

2505252780553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135178415.

The product of its (nonzero) digits is 4200000, while the sum is 49.

The spelling of 2505252780553 in words is "two trillion, five hundred five billion, two hundred fifty-two million, seven hundred eighty thousand, five hundred fifty-three".