2505164053436 has 12 divisors (see below), whose sum is σ = 4782585920280. Its totient is φ = 1138710933360.

The previous prime is 2505164053421. The next prime is 2505164053481. The reversal of 2505164053436 is 6343504615052.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 56935546669 = 2505164053436 / (2 + 5 + 0 + 5 + 1 + 6 + 4 + 0 + 5 + 3 + 4 + 3 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28467773291 + ... + 28467773378.

It is an arithmetic number, because the mean of its divisors is an integer number (398548826690).

Almost surely, 2^{2505164053436} is an apocalyptic number.

It is an amenable number.

2505164053436 is a deficient number, since it is larger than the sum of its proper divisors (2277421866844).

2505164053436 is a wasteful number, since it uses less digits than its factorization.

2505164053436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56935546684 (or 56935546682 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 2505164053436 its reverse (6343504615052), we get a palindrome (8848668668488).

The spelling of 2505164053436 in words is "two trillion, five hundred five billion, one hundred sixty-four million, fifty-three thousand, four hundred thirty-six".