51611562130603 has 2 divisors, whose sum is σ = 51611562130604. Its totient is φ = 51611562130602.

The previous prime is 51611562130517. The next prime is 51611562130651. The reversal of 51611562130603 is 30603126511615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51611562130603 - 2¹⁷ = 51611561999531 is a prime.

It is a super-2 number, since 2×51611562130603² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51611562130693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25805781065301 + 25805781065302.

It is an arithmetic number, because the mean of its divisors is an integer number (25805781065302).

Almost surely, 2^{51611562130603} is an apocalyptic number.

51611562130603 is a deficient number, since it is larger than the sum of its proper divisors (1).

51611562130603 is an equidigital number, since it uses as much as digits as its factorization.

51611562130603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 51611562130603 in words is "fifty-one trillion, six hundred eleven billion, five hundred sixty-two million, one hundred thirty thousand, six hundred three".