11028358656 has 540 divisors, whose sum is σ = 39021021468. Its totient is φ = 3103930368.

The previous prime is 11028358477. The next prime is 11028358657. The reversal of 11028358656 is 65685382011.

11028358656 is a `hidden beast` number, since 1 + 10 + 2 + 8 + 3 + 586 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11028358657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 164602335 + ... + 164602401.

Almost surely, 2^11028358656 is an apocalyptic number.

11028358656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11028358656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19510510734).

11028358656 is an abundant number, since it is smaller than the sum of its proper divisors (27992662812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11028358656 is an frugal number, since it uses more digits than its factorization.

11028358656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 11028358656 in words is "eleven billion, twenty-eight million, three hundred fifty-eight thousand, six hundred fifty-six".