1043025011 has 4 divisors (see below), whose sum is σ = 1192028592. Its totient is φ = 894021432.

The previous prime is 1043024993. The next prime is 1043025037. The reversal of 1043025011 is 1105203401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043025011 - 2¹⁸ = 1042762867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043025041) 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 in 3 ways as a sum of consecutive naturals, for example, 74501780 + ... + 74501793.

It is an arithmetic number, because the mean of its divisors is an integer number (298007148).

Almost surely, 2^1043025011 is an apocalyptic number.

1043025011 is a deficient number, since it is larger than the sum of its proper divisors (149003581).

1043025011 is an equidigital number, since it uses as much as digits as its factorization.

1043025011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149003580.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1043025011 is about 32295.8977425926. The cubic root of 1043025011 is about 1014.1407665203.

Adding to 1043025011 its reverse (1105203401), we get a palindrome (2148228412).

The spelling of 1043025011 in words is "one billion, forty-three million, twenty-five thousand, eleven".