11628988275 has 24 divisors (see below), whose sum is σ = 19280194560. Its totient is φ = 6184836640.

The previous prime is 11628988253. The next prime is 11628988303. The reversal of 11628988275 is 57288982611.

11628988275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11628988275 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189027 + ... + 242876.

It is an arithmetic number, because the mean of its divisors is an integer number (803341440).

Almost surely, 2^11628988275 is an apocalyptic number.

11628988275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11628988275 is a deficient number, since it is larger than the sum of its proper divisors (7651206285).

11628988275 is a wasteful number, since it uses less digits than its factorization.

11628988275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432275 (or 432270 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 57.

The spelling of 11628988275 in words is "eleven billion, six hundred twenty-eight million, nine hundred eighty-eight thousand, two hundred seventy-five".