5050549999991 has 4 divisors (see below), whose sum is σ = 5052709279800. Its totient is φ = 5048390720184.

The previous prime is 5050549999927. The next prime is 5050550000057. The reversal of 5050549999991 is 1999999450505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5050549999991 - 2⁶ = 5050549999927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5050549999091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079636396 + ... + 1079641073.

It is an arithmetic number, because the mean of its divisors is an integer number (1263177319950).

Almost surely, 2^{5050549999991} is an apocalyptic number.

5050549999991 is a deficient number, since it is larger than the sum of its proper divisors (2159279809).

5050549999991 is a wasteful number, since it uses less digits than its factorization.

5050549999991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159279808.

The product of its (nonzero) digits is 265720500, while the sum is 74.

The spelling of 5050549999991 in words is "five trillion, fifty billion, five hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-one".