9611628511 has 2 divisors, whose sum is σ = 9611628512. Its totient is φ = 9611628510.

The previous prime is 9611628503. The next prime is 9611628517. The reversal of 9611628511 is 1158261169.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9611628511 - 2³ = 9611628503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9611628517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4805814255 + 4805814256.

It is an arithmetic number, because the mean of its divisors is an integer number (4805814256).

Almost surely, 2^9611628511 is an apocalyptic number.

9611628511 is a deficient number, since it is larger than the sum of its proper divisors (1).

9611628511 is an equidigital number, since it uses as much as digits as its factorization.

9611628511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 40.

The square root of 9611628511 is about 98038.9132487708. The cubic root of 9611628511 is about 2126.1749266154.

The spelling of 9611628511 in words is "nine billion, six hundred eleven million, six hundred twenty-eight thousand, five hundred eleven".