1264485011 has 2 divisors, whose sum is σ = 1264485012. Its totient is φ = 1264485010.

The previous prime is 1264484989. The next prime is 1264485067. The reversal of 1264485011 is 1105844621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264485011 - 2¹⁴ = 1264468627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1264485091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632242505 + 632242506.

It is an arithmetic number, because the mean of its divisors is an integer number (632242506).

Almost surely, 2^1264485011 is an apocalyptic number.

1264485011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264485011 is an equidigital number, since it uses as much as digits as its factorization.

1264485011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1264485011 is about 35559.5980151632. The cubic root of 1264485011 is about 1081.3623100687.

The spelling of 1264485011 in words is "one billion, two hundred sixty-four million, four hundred eighty-five thousand, eleven".