51151001616551 has 2 divisors, whose sum is σ = 51151001616552. Its totient is φ = 51151001616550.

The previous prime is 51151001616497. The next prime is 51151001616563. The reversal of 51151001616551 is 15561610015115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51151001616551 - 2¹⁸ = 51151001354407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51151001616571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25575500808275 + 25575500808276.

It is an arithmetic number, because the mean of its divisors is an integer number (25575500808276).

Almost surely, 2^{51151001616551} is an apocalyptic number.

51151001616551 is a deficient number, since it is larger than the sum of its proper divisors (1).

51151001616551 is an equidigital number, since it uses as much as digits as its factorization.

51151001616551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 38.

The spelling of 51151001616551 in words is "fifty-one trillion, one hundred fifty-one billion, one million, six hundred sixteen thousand, five hundred fifty-one".