2551212645043 has 2 divisors, whose sum is σ = 2551212645044. Its totient is φ = 2551212645042.

The previous prime is 2551212644993. The next prime is 2551212645049. The reversal of 2551212645043 is 3405462121552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2551212645043 - 2⁴¹ = 352189389491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2551212644987 and 2551212645005.

It is not a weakly prime, because it can be changed into another prime (2551212645049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275606322521 + 1275606322522.

It is an arithmetic number, because the mean of its divisors is an integer number (1275606322522).

Almost surely, 2^{2551212645043} is an apocalyptic number.

2551212645043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551212645043 is an equidigital number, since it uses as much as digits as its factorization.

2551212645043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 2551212645043 its reverse (3405462121552), we get a palindrome (5956674766595).

The spelling of 2551212645043 in words is "two trillion, five hundred fifty-one billion, two hundred twelve million, six hundred forty-five thousand, forty-three".