51106011679 has 2 divisors, whose sum is σ = 51106011680. Its totient is φ = 51106011678.

The previous prime is 51106011673. The next prime is 51106011689. The reversal of 51106011679 is 97611060115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51106011679 - 2⁵ = 51106011647 is a prime.

It is a super-2 number, since 2×51106011679² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51106011673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553005839 + 25553005840.

It is an arithmetic number, because the mean of its divisors is an integer number (25553005840).

Almost surely, 2^51106011679 is an apocalyptic number.

51106011679 is a deficient number, since it is larger than the sum of its proper divisors (1).

51106011679 is an equidigital number, since it uses as much as digits as its factorization.

51106011679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 51106011679 in words is "fifty-one billion, one hundred six million, eleven thousand, six hundred seventy-nine".