51234206543563 has 2 divisors, whose sum is σ = 51234206543564. Its totient is φ = 51234206543562.

The previous prime is 51234206543549. The next prime is 51234206543573. The reversal of 51234206543563 is 36534560243215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51234206543563 - 2⁴¹ = 49035183288011 is a prime.

It is not a weakly prime, because it can be changed into another prime (51234206543573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617103271781 + 25617103271782.

It is an arithmetic number, because the mean of its divisors is an integer number (25617103271782).

Almost surely, 2^{51234206543563} is an apocalyptic number.

51234206543563 is a deficient number, since it is larger than the sum of its proper divisors (1).

51234206543563 is an equidigital number, since it uses as much as digits as its factorization.

51234206543563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 49.

Adding to 51234206543563 its reverse (36534560243215), we get a palindrome (87768766786778).

The spelling of 51234206543563 in words is "fifty-one trillion, two hundred thirty-four billion, two hundred six million, five hundred forty-three thousand, five hundred sixty-three".