1011045263 has 2 divisors, whose sum is σ = 1011045264. Its totient is φ = 1011045262.

The previous prime is 1011045227. The next prime is 1011045307. The reversal of 1011045263 is 3625401101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011045263 - 2¹⁶ = 1010979727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011045463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505522631 + 505522632.

It is an arithmetic number, because the mean of its divisors is an integer number (505522632).

Almost surely, 2^1011045263 is an apocalyptic number.

1011045263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011045263 is an equidigital number, since it uses as much as digits as its factorization.

1011045263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1011045263 is about 31796.9379500605. The cubic root of 1011045263 is about 1003.6682815897.

Adding to 1011045263 its reverse (3625401101), we get a palindrome (4636446364).

The spelling of 1011045263 in words is "one billion, eleven million, forty-five thousand, two hundred sixty-three".