11011010128 has 20 divisors (see below), whose sum is σ = 21336217108. Its totient is φ = 5504889600.

The previous prime is 11011010113. The next prime is 11011010137. The reversal of 11011010128 is 82101011011.

It can be written as a sum of positive squares in 2 ways, for example, as 8447815744 + 2563194384 = 91912^2 + 50628^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132028 + ... + 198628.

Almost surely, 2^11011010128 is an apocalyptic number.

It is an amenable number.

11011010128 is a deficient number, since it is larger than the sum of its proper divisors (10325206980).

11011010128 is a wasteful number, since it uses less digits than its factorization.

11011010128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76942 (or 76936 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11011010128 its reverse (82101011011), we get a palindrome (93112021139).

The spelling of 11011010128 in words is "eleven billion, eleven million, ten thousand, one hundred twenty-eight".