1111001141 has 2 divisors, whose sum is σ = 1111001142. Its totient is φ = 1111001140.

The previous prime is 1111001053. The next prime is 1111001147. The reversal of 1111001141 is 1411001111.

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., 927507025 + 183494116 = 30455^2 + 13546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111001141 - 2³⁰ = 37259317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111001147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500570 + 555500571.

It is an arithmetic number, because the mean of its divisors is an integer number (555500571).

Almost surely, 2^1111001141 is an apocalyptic number.

It is an amenable number.

1111001141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111001141 is an equidigital number, since it uses as much as digits as its factorization.

1111001141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1111001141 is about 33331.6837408493. The cubic root of 1111001141 is about 1035.7099972535.

Adding to 1111001141 its reverse (1411001111), we get a palindrome (2522002252).

The spelling of 1111001141 in words is "one billion, one hundred eleven million, one thousand, one hundred forty-one".