1099606158241 has 2 divisors, whose sum is σ = 1099606158242. Its totient is φ = 1099606158240.

The previous prime is 1099606158181. The next prime is 1099606158263. The reversal of 1099606158241 is 1428516069901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 918559312225 + 181046846016 = 958415^2 + 425496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099606158241 - 2⁹ = 1099606157729 is a prime.

It is a super-2 number, since 2×1099606158241² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1099606198241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549803079120 + 549803079121.

It is an arithmetic number, because the mean of its divisors is an integer number (549803079121).

Almost surely, 2^{1099606158241} is an apocalyptic number.

It is an amenable number.

1099606158241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099606158241 is an equidigital number, since it uses as much as digits as its factorization.

1099606158241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 1099606158241 in words is "one trillion, ninety-nine billion, six hundred six million, one hundred fifty-eight thousand, two hundred forty-one".