1148340162241 has 4 divisors (see below), whose sum is σ = 1187938098900. Its totient is φ = 1108742225584.

The previous prime is 1148340162227. The next prime is 1148340162257. The reversal of 1148340162241 is 1422610438411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 889869602241 + 258470560000 = 943329^2 + 508400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148340162241 - 2⁷ = 1148340162113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148340162241.

It is not an unprimeable number, because it can be changed into a prime (1148340162041) 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 3 ways as a sum of consecutive naturals, for example, 19798968286 + ... + 19798968343.

It is an arithmetic number, because the mean of its divisors is an integer number (296984524725).

Almost surely, 2^{1148340162241} is an apocalyptic number.

It is an amenable number.

1148340162241 is a deficient number, since it is larger than the sum of its proper divisors (39597936659).

1148340162241 is an equidigital number, since it uses as much as digits as its factorization.

1148340162241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39597936658.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 1148340162241 in words is "one trillion, one hundred forty-eight billion, three hundred forty million, one hundred sixty-two thousand, two hundred forty-one".