51106550262539 has 2 divisors, whose sum is σ = 51106550262540. Its totient is φ = 51106550262538.

The previous prime is 51106550262499. The next prime is 51106550262569. The reversal of 51106550262539 is 93526205560115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51106550262539 - 2²⁴ = 51106533485323 is a prime.

It is a super-2 number, since 2×51106550262539² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51106550262569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553275131269 + 25553275131270.

It is an arithmetic number, because the mean of its divisors is an integer number (25553275131270).

Almost surely, 2^{51106550262539} is an apocalyptic number.

51106550262539 is a deficient number, since it is larger than the sum of its proper divisors (1).

51106550262539 is an equidigital number, since it uses as much as digits as its factorization.

51106550262539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 51106550262539 in words is "fifty-one trillion, one hundred six billion, five hundred fifty million, two hundred sixty-two thousand, five hundred thirty-nine".