51563401335371 has 2 divisors, whose sum is σ = 51563401335372. Its totient is φ = 51563401335370.

The previous prime is 51563401335269. The next prime is 51563401335379. The reversal of 51563401335371 is 17353310436515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51563401335371 - 2¹⁸ = 51563401073227 is a prime.

It is not a weakly prime, because it can be changed into another prime (51563401335379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25781700667685 + 25781700667686.

It is an arithmetic number, because the mean of its divisors is an integer number (25781700667686).

Almost surely, 2^{51563401335371} is an apocalyptic number.

51563401335371 is a deficient number, since it is larger than the sum of its proper divisors (1).

51563401335371 is an equidigital number, since it uses as much as digits as its factorization.

51563401335371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 51563401335371 in words is "fifty-one trillion, five hundred sixty-three billion, four hundred one million, three hundred thirty-five thousand, three hundred seventy-one".