1052505011 has 4 divisors (see below), whose sum is σ = 1064331000. Its totient is φ = 1040679024.

The previous prime is 1052504993. The next prime is 1052505031. The reversal of 1052505011 is 1105052501.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052505011 is a prime.

It is a super-2 number, since 2×1052505011² = 2215533596360220242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052505031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5912861 + ... + 5913038.

It is an arithmetic number, because the mean of its divisors is an integer number (266082750).

Almost surely, 2^1052505011 is an apocalyptic number.

1052505011 is a deficient number, since it is larger than the sum of its proper divisors (11825989).

1052505011 is an equidigital number, since it uses as much as digits as its factorization.

1052505011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825988.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 1052505011 is about 32442.3336244482. Note that the first 3 decimals coincide. The cubic root of 1052505011 is about 1017.2039955392.

Adding to 1052505011 its reverse (1105052501), we get a palindrome (2157557512).

The spelling of 1052505011 in words is "one billion, fifty-two million, five hundred five thousand, eleven".