11001011028 has 24 divisors (see below), whose sum is σ = 29336029632. Its totient is φ = 3143145984.

The previous prime is 11001011027. The next prime is 11001011089. The reversal of 11001011028 is 82011010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001010998 and 11001011016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001011027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65482125 + ... + 65482292.

It is an arithmetic number, because the mean of its divisors is an integer number (1222334568).

Almost surely, 2^11001011028 is an apocalyptic number.

It is an amenable number.

11001011028 is an abundant number, since it is smaller than the sum of its proper divisors (18335018604).

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

11001011028 is a wasteful number, since it uses less digits than its factorization.

11001011028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130964431 (or 130964429 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001011028 its reverse (82011010011), we get a palindrome (93012021039).

The spelling of 11001011028 in words is "eleven billion, one million, eleven thousand, twenty-eight".