11039440897 has 2 divisors, whose sum is σ = 11039440898. Its totient is φ = 11039440896.

The previous prime is 11039440889. The next prime is 11039440903. The reversal of 11039440897 is 79804493011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10372200336 + 667240561 = 101844^2 + 25831^2 .

It is a cyclic number.

It is not a de Polignac number, because 11039440897 - 2³ = 11039440889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11039410897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5519720448 + 5519720449.

It is an arithmetic number, because the mean of its divisors is an integer number (5519720449).

Almost surely, 2^11039440897 is an apocalyptic number.

It is an amenable number.

11039440897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11039440897 is an equidigital number, since it uses as much as digits as its factorization.

11039440897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11039440897 in words is "eleven billion, thirty-nine million, four hundred forty thousand, eight hundred ninety-seven".