11020251128 has 16 divisors (see below), whose sum is σ = 20680484760. Its totient is φ = 5505455200.

The previous prime is 11020251091. The next prime is 11020251131. The reversal of 11020251128 is 82115202011.

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, 573758 + ... + 592653.

Almost surely, 2^11020251128 is an apocalyptic number.

It is an amenable number.

11020251128 is a deficient number, since it is larger than the sum of its proper divisors (9660233632).

11020251128 is a wasteful number, since it uses less digits than its factorization.

11020251128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167598 (or 1167594 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 11020251128 its reverse (82115202011), we get a palindrome (93135453139).

The spelling of 11020251128 in words is "eleven billion, twenty million, two hundred fifty-one thousand, one hundred twenty-eight".