119547884021 has 2 divisors, whose sum is σ = 119547884022. Its totient is φ = 119547884020.

The previous prime is 119547883993. The next prime is 119547884083. The reversal of 119547884021 is 120488745911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118397928100 + 1149955921 = 344090^2 + 33911^2 .

It is an emirp because it is prime and its reverse (120488745911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119547884021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119547884321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59773942010 + 59773942011.

It is an arithmetic number, because the mean of its divisors is an integer number (59773942011).

Almost surely, 2^119547884021 is an apocalyptic number.

It is an amenable number.

119547884021 is a deficient number, since it is larger than the sum of its proper divisors (1).

119547884021 is an equidigital number, since it uses as much as digits as its factorization.

119547884021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 119547884021 in words is "one hundred nineteen billion, five hundred forty-seven million, eight hundred eighty-four thousand, twenty-one".