1177190482021 has 2 divisors, whose sum is σ = 1177190482022. Its totient is φ = 1177190482020.

The previous prime is 1177190481983. The next prime is 1177190482043. The reversal of 1177190482021 is 1202840917711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726775005121 + 450415476900 = 852511^2 + 671130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1177190482021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1177190402021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 588595241010 + 588595241011.

It is an arithmetic number, because the mean of its divisors is an integer number (588595241011).

Almost surely, 2^{1177190482021} is an apocalyptic number.

It is an amenable number.

1177190482021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1177190482021 is an equidigital number, since it uses as much as digits as its factorization.

1177190482021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 1177190482021 in words is "one trillion, one hundred seventy-seven billion, one hundred ninety million, four hundred eighty-two thousand, twenty-one".