2505224252051 has 4 divisors (see below), whose sum is σ = 2524950427392. Its totient is φ = 2485498076712.

The previous prime is 2505224251969. The next prime is 2505224252071. The reversal of 2505224252051 is 1502524225052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505224252051 is a prime.

It is a super-2 number, since 2×2505224252051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505224252071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9863087480 + ... + 9863087733.

It is an arithmetic number, because the mean of its divisors is an integer number (631237606848).

Almost surely, 2^{2505224252051} is an apocalyptic number.

2505224252051 is a deficient number, since it is larger than the sum of its proper divisors (19726175341).

2505224252051 is a wasteful number, since it uses less digits than its factorization.

2505224252051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726175340.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 2505224252051 in words is "two trillion, five hundred five billion, two hundred twenty-four million, two hundred fifty-two thousand, fifty-one".