1111001011050 has 192 divisors, whose sum is σ = 3374298031104. Its totient is φ = 236125363200.

The previous prime is 1111001011013. The next prime is 1111001011051. The reversal of 1111001011050 is 501101001111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1111001011051) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1106605 + ... + 1856495.

It is an arithmetic number, because the mean of its divisors is an integer number (17574468912).

Almost surely, 2^{1111001011050} is an apocalyptic number.

1111001011050 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 1111001011050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687149015552).

1111001011050 is an abundant number, since it is smaller than the sum of its proper divisors (2263297020054).

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

1111001011050 is a wasteful number, since it uses less digits than its factorization.

1111001011050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750013 (or 750008 counting only the distinct ones).

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

Adding to 1111001011050 its reverse (501101001111), we get a palindrome (1612102012161).

The spelling of 1111001011050 in words is "one trillion, one hundred eleven billion, one million, eleven thousand, fifty".