1149498332641 has 2 divisors, whose sum is σ = 1149498332642. Its totient is φ = 1149498332640.

The previous prime is 1149498332639. The next prime is 1149498332657. The reversal of 1149498332641 is 1462338949411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989386313041 + 160112019600 = 994679^2 + 400140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149498332641 - 2¹ = 1149498332639 is a prime.

Together with 1149498332639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1149498335641) 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 as a sum of consecutive naturals, namely, 574749166320 + 574749166321.

It is an arithmetic number, because the mean of its divisors is an integer number (574749166321).

Almost surely, 2^{1149498332641} is an apocalyptic number.

It is an amenable number.

1149498332641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149498332641 is an equidigital number, since it uses as much as digits as its factorization.

1149498332641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 55.

The spelling of 1149498332641 in words is "one trillion, one hundred forty-nine billion, four hundred ninety-eight million, three hundred thirty-two thousand, six hundred forty-one".