555106099987 has 2 divisors, whose sum is σ = 555106099988. Its totient is φ = 555106099986.

The previous prime is 555106099973. The next prime is 555106100009. The reversal of 555106099987 is 789990601555.

555106099987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555106099987 - 2³¹ = 552958616339 is a prime.

It is not a weakly prime, because it can be changed into another prime (555106099907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277553049993 + 277553049994.

It is an arithmetic number, because the mean of its divisors is an integer number (277553049994).

Almost surely, 2^555106099987 is an apocalyptic number.

555106099987 is a deficient number, since it is larger than the sum of its proper divisors (1).

555106099987 is an equidigital number, since it uses as much as digits as its factorization.

555106099987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618000, while the sum is 64.

The spelling of 555106099987 in words is "five hundred fifty-five billion, one hundred six million, ninety-nine thousand, nine hundred eighty-seven".