51101055589 has 2 divisors, whose sum is σ = 51101055590. Its totient is φ = 51101055588.

The previous prime is 51101055587. The next prime is 51101055601. The reversal of 51101055589 is 98555010115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35059566564 + 16041489025 = 187242^2 + 126655^2 .

It is a cyclic number.

It is not a de Polignac number, because 51101055589 - 2¹ = 51101055587 is a prime.

It is a super-2 number, since 2×51101055589² (a number of 22 digits) contains 22 as substring.

Together with 51101055587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51101055581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550527794 + 25550527795.

It is an arithmetic number, because the mean of its divisors is an integer number (25550527795).

Almost surely, 2^51101055589 is an apocalyptic number.

It is an amenable number.

51101055589 is a deficient number, since it is larger than the sum of its proper divisors (1).

51101055589 is an equidigital number, since it uses as much as digits as its factorization.

51101055589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 40.

The spelling of 51101055589 in words is "fifty-one billion, one hundred one million, fifty-five thousand, five hundred eighty-nine".