51010605555599 has 2 divisors, whose sum is σ = 51010605555600. Its totient is φ = 51010605555598.

The previous prime is 51010605555563. The next prime is 51010605555631. The reversal of 51010605555599 is 99555550601015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51010605555599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51010605558599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505302777799 + 25505302777800.

It is an arithmetic number, because the mean of its divisors is an integer number (25505302777800).

Almost surely, 2^{51010605555599} is an apocalyptic number.

51010605555599 is a deficient number, since it is larger than the sum of its proper divisors (1).

51010605555599 is an equidigital number, since it uses as much as digits as its factorization.

51010605555599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7593750, while the sum is 56.

The spelling of 51010605555599 in words is "fifty-one trillion, ten billion, six hundred five million, five hundred fifty-five thousand, five hundred ninety-nine".