2505543312215 has 4 divisors (see below), whose sum is σ = 3006651974664. Its totient is φ = 2004434649768.

The previous prime is 2505543312211. The next prime is 2505543312241. The reversal of 2505543312215 is 5122133455052.

2505543312215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2505543312215 - 2² = 2505543312211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505543312211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250554331217 + ... + 250554331226.

It is an arithmetic number, because the mean of its divisors is an integer number (751662993666).

Almost surely, 2^{2505543312215} is an apocalyptic number.

2505543312215 is a deficient number, since it is larger than the sum of its proper divisors (501108662449).

2505543312215 is an equidigital number, since it uses as much as digits as its factorization.

2505543312215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501108662448.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 2505543312215 its reverse (5122133455052), we get a palindrome (7627676767267).

The spelling of 2505543312215 in words is "two trillion, five hundred five billion, five hundred forty-three million, three hundred twelve thousand, two hundred fifteen".