1101445057 has 2 divisors, whose sum is σ = 1101445058. Its totient is φ = 1101445056.

The previous prime is 1101445003. The next prime is 1101445069. The reversal of 1101445057 is 7505441011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665846416 + 435598641 = 25804^2 + 20871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101445057 - 2¹¹ = 1101443009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101445157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550722528 + 550722529.

It is an arithmetic number, because the mean of its divisors is an integer number (550722529).

Almost surely, 2^1101445057 is an apocalyptic number.

It is an amenable number.

1101445057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101445057 is an equidigital number, since it uses as much as digits as its factorization.

1101445057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1101445057 is about 33188.0258075108. The cubic root of 1101445057 is about 1032.7319490539.

Adding to 1101445057 its reverse (7505441011), we get a palindrome (8606886068).

The spelling of 1101445057 in words is "one billion, one hundred one million, four hundred forty-five thousand, fifty-seven".