1005260711 has 16 divisors (see below), whose sum is σ = 1310025024. Its totient is φ = 748583424.

The previous prime is 1005260651. The next prime is 1005260741. The reversal of 1005260711 is 1170625001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005260711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005260741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323360 + ... + 326453.

It is an arithmetic number, because the mean of its divisors is an integer number (81876564).

Almost surely, 2^1005260711 is an apocalyptic number.

1005260711 is a deficient number, since it is larger than the sum of its proper divisors (304764313).

1005260711 is a wasteful number, since it uses less digits than its factorization.

1005260711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649850.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1005260711 is about 31705.8466374894. The cubic root of 1005260711 is about 1001.7505042801.

Adding to 1005260711 its reverse (1170625001), we get a palindrome (2175885712).

The spelling of 1005260711 in words is "one billion, five million, two hundred sixty thousand, seven hundred eleven".