11011111050 has 96 divisors (see below), whose sum is σ = 27986333760. Its totient is φ = 2863526400.

The previous prime is 11011111049. The next prime is 11011111051. The reversal of 11011111050 is 5011111011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11011111049) and next prime (11011111051).

It is not an unprimeable number, because it can be changed into a prime (11011111051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6842646 + ... + 6844254.

It is an arithmetic number, because the mean of its divisors is an integer number (291524310).

Almost surely, 2^11011111050 is an apocalyptic number.

11011111050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011111050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13993166880).

11011111050 is an abundant number, since it is smaller than the sum of its proper divisors (16975222710).

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

11011111050 is a wasteful number, since it uses less digits than its factorization.

11011111050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 11011111050 its reverse (5011111011), we get a palindrome (16022222061).

The spelling of 11011111050 in words is "eleven billion, eleven million, one hundred eleven thousand, fifty".