51611562064627 has 2 divisors, whose sum is σ = 51611562064628. Its totient is φ = 51611562064626.

The previous prime is 51611562064577. The next prime is 51611562064637. The reversal of 51611562064627 is 72646026511615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51611562064627 - 2¹⁵ = 51611562031859 is a prime.

It is not a weakly prime, because it can be changed into another prime (51611562064637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25805781032313 + 25805781032314.

It is an arithmetic number, because the mean of its divisors is an integer number (25805781032314).

Almost surely, 2^{51611562064627} is an apocalyptic number.

51611562064627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51611562064627 is an equidigital number, since it uses as much as digits as its factorization.

51611562064627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 51611562064627 in words is "fifty-one trillion, six hundred eleven billion, five hundred sixty-two million, sixty-four thousand, six hundred twenty-seven".