5550505005091 has 2 divisors, whose sum is σ = 5550505005092. Its totient is φ = 5550505005090.

The previous prime is 5550505005083. The next prime is 5550505005107. The reversal of 5550505005091 is 1905005050555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5550505005091 - 2³ = 5550505005083 is a prime.

It is not a weakly prime, because it can be changed into another prime (5550505008091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775252502545 + 2775252502546.

It is an arithmetic number, because the mean of its divisors is an integer number (2775252502546).

Almost surely, 2^{5550505005091} is an apocalyptic number.

5550505005091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550505005091 is an equidigital number, since it uses as much as digits as its factorization.

5550505005091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140625, while the sum is 40.

The spelling of 5550505005091 in words is "five trillion, five hundred fifty billion, five hundred five million, five thousand, ninety-one".