11016890838 has 40 divisors (see below), whose sum is σ = 24693597720. Its totient is φ = 3671166240.

The previous prime is 11016890791. The next prime is 11016890861. The reversal of 11016890838 is 83809861011.

It is a junction number, because it is equal to n+sod(n) for n = 11016890793 and 11016890802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642618 + ... + 659538.

It is an arithmetic number, because the mean of its divisors is an integer number (617339943).

Almost surely, 2^11016890838 is an apocalyptic number.

11016890838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11016890838 is an abundant number, since it is smaller than the sum of its proper divisors (13676706882).

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

11016890838 is a wasteful number, since it uses less digits than its factorization.

11016890838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20954 (or 20945 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 11016890838 in words is "eleven billion, sixteen million, eight hundred ninety thousand, eight hundred thirty-eight".