48866128875491 has 2 divisors, whose sum is σ = 48866128875492. Its totient is φ = 48866128875490.

The previous prime is 48866128875479. The next prime is 48866128875593. The reversal of 48866128875491 is 19457882166884.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48866128875491 is a prime.

It is not a weakly prime, because it can be changed into another prime (48866128875191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24433064437745 + 24433064437746.

It is an arithmetic number, because the mean of its divisors is an integer number (24433064437746).

Almost surely, 2^{48866128875491} is an apocalyptic number.

48866128875491 is a deficient number, since it is larger than the sum of its proper divisors (1).

48866128875491 is an equidigital number, since it uses as much as digits as its factorization.

48866128875491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1486356480, while the sum is 77.

The spelling of 48866128875491 in words is "forty-eight trillion, eight hundred sixty-six billion, one hundred twenty-eight million, eight hundred seventy-five thousand, four hundred ninety-one".