51016150685887 has 2 divisors, whose sum is σ = 51016150685888. Its totient is φ = 51016150685886.

The previous prime is 51016150685879. The next prime is 51016150685891. The reversal of 51016150685887 is 78858605161015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51016150685887 - 2³ = 51016150685879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51016150685827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25508075342943 + 25508075342944.

It is an arithmetic number, because the mean of its divisors is an integer number (25508075342944).

Almost surely, 2^{51016150685887} is an apocalyptic number.

51016150685887 is a deficient number, since it is larger than the sum of its proper divisors (1).

51016150685887 is an equidigital number, since it uses as much as digits as its factorization.

51016150685887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128000, while the sum is 61.

The spelling of 51016150685887 in words is "fifty-one trillion, sixteen billion, one hundred fifty million, six hundred eighty-five thousand, eight hundred eighty-seven".