2756712312225 has 81 divisors (see below), whose sum is σ = 5011315330099. Its totient is φ = 1448609080800.

The previous prime is 2756712312199. The next prime is 2756712312271. The reversal of 2756712312225 is 5222132176572.

The square root of 2756712312225 is 1660335.

It is a perfect power (a square), and thus also a powerful number.

2756712312225 is a `hidden beast` number, since 2 + 7 + 567 + 12 + 31 + 22 + 25 = 666.

2756712312225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 992416432401 + 1764295879824 = 996201^2 + 1328268^2 .

It is not a de Polignac number, because 2756712312225 - 2¹³ = 2756712304033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1768255996 + ... + 1768257554.

Almost surely, 2^{2756712312225} is an apocalyptic number.

2756712312225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2756712312225 is the 1660335-th square number.

2756712312225 is the 830168-th centered octagonal number.

It is an amenable number.

2756712312225 is a deficient number, since it is larger than the sum of its proper divisors (2254603017874).

2756712312225 is an frugal number, since it uses more digits than its factorization.

2756712312225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276 (or 1638 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

Adding to 2756712312225 its reverse (5222132176572), we get a palindrome (7978844488797).

The spelling of 2756712312225 in words is "two trillion, seven hundred fifty-six billion, seven hundred twelve million, three hundred twelve thousand, two hundred twenty-five".