51100500611 has 2 divisors, whose sum is σ = 51100500612. Its totient is φ = 51100500610.

The previous prime is 51100500601. The next prime is 51100500637. The reversal of 51100500611 is 11600500115.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51100500611 is a prime.

It is a super-2 number, since 2×51100500611² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51100500601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550250305 + 25550250306.

It is an arithmetic number, because the mean of its divisors is an integer number (25550250306).

Almost surely, 2^51100500611 is an apocalyptic number.

51100500611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51100500611 is an equidigital number, since it uses as much as digits as its factorization.

51100500611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 51100500611 in words is "fifty-one billion, one hundred million, five hundred thousand, six hundred eleven".