1011445051 has 2 divisors, whose sum is σ = 1011445052. Its totient is φ = 1011445050.

The previous prime is 1011445021. The next prime is 1011445067. The reversal of 1011445051 is 1505441101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011445051 - 2¹¹ = 1011443003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011445021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505722525 + 505722526.

It is an arithmetic number, because the mean of its divisors is an integer number (505722526).

Almost surely, 2^1011445051 is an apocalyptic number.

1011445051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011445051 is an equidigital number, since it uses as much as digits as its factorization.

1011445051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1011445051 is about 31803.2239089058. The cubic root of 1011445051 is about 1003.8005544869.

Adding to 1011445051 its reverse (1505441101), we get a palindrome (2516886152).

The spelling of 1011445051 in words is "one billion, eleven million, four hundred forty-five thousand, fifty-one".