1280052611 has 2 divisors, whose sum is σ = 1280052612. Its totient is φ = 1280052610.

The previous prime is 1280052581. The next prime is 1280052619. The reversal of 1280052611 is 1162500821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1280052611 - 2¹⁰ = 1280051587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1280052619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640026305 + 640026306.

It is an arithmetic number, because the mean of its divisors is an integer number (640026306).

Almost surely, 2^1280052611 is an apocalyptic number.

1280052611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280052611 is an equidigital number, since it uses as much as digits as its factorization.

1280052611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1280052611 is about 35777.8228935188. The cubic root of 1280052611 is about 1085.7819222910.

The spelling of 1280052611 in words is "one billion, two hundred eighty million, fifty-two thousand, six hundred eleven".