48191665571 has 6 divisors (see below), whose sum is σ = 56059692660. Its totient is φ = 41307141876.

The previous prime is 48191665541. The next prime is 48191665573. The reversal of 48191665571 is 17556619184.

It is not a de Polignac number, because 48191665571 - 2²⁶ = 48124556707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48191665573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 491751641 + ... + 491751738.

It is an arithmetic number, because the mean of its divisors is an integer number (9343282110).

Almost surely, 2^48191665571 is an apocalyptic number.

48191665571 is a deficient number, since it is larger than the sum of its proper divisors (7868027089).

48191665571 is an equidigital number, since it uses as much as digits as its factorization.

48191665571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983503393 (or 983503386 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 53.

The spelling of 48191665571 in words is "forty-eight billion, one hundred ninety-one million, six hundred sixty-five thousand, five hundred seventy-one".