1110011001161 has 2 divisors, whose sum is σ = 1110011001162. Its totient is φ = 1110011001160.

The previous prime is 1110011001139. The next prime is 1110011001167. The reversal of 1110011001161 is 1611001100111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1066946450761 + 43064550400 = 1032931^2 + 207520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110011001161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110011001167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555005500580 + 555005500581.

It is an arithmetic number, because the mean of its divisors is an integer number (555005500581).

Almost surely, 2^{1110011001161} is an apocalyptic number.

It is an amenable number.

1110011001161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110011001161 is an equidigital number, since it uses as much as digits as its factorization.

1110011001161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1110011001161 its reverse (1611001100111), we get a palindrome (2721012101272).

The spelling of 1110011001161 in words is "one trillion, one hundred ten billion, eleven million, one thousand, one hundred sixty-one".