51010605556087 has 2 divisors, whose sum is σ = 51010605556088. Its totient is φ = 51010605556086.

The previous prime is 51010605556037. The next prime is 51010605556103. The reversal of 51010605556087 is 78065550601015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51010605556087 - 2²³ = 51010597167479 is a prime.

It is a super-3 number, since 3×51010605556087³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51010605556087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51010605556037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505302778043 + 25505302778044.

It is an arithmetic number, because the mean of its divisors is an integer number (25505302778044).

Almost surely, 2^{51010605556087} is an apocalyptic number.

51010605556087 is a deficient number, since it is larger than the sum of its proper divisors (1).

51010605556087 is an equidigital number, since it uses as much as digits as its factorization.

51010605556087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 51010605556087 in words is "fifty-one trillion, ten billion, six hundred five million, five hundred fifty-six thousand, eighty-seven".