11030023120 has 20 divisors (see below), whose sum is σ = 25644803940. Its totient is φ = 4412009216.

The previous prime is 11030023117. The next prime is 11030023159. The reversal of 11030023120 is 2132003011.

It can be written as a sum of positive squares in 2 ways, for example, as 3259953216 + 7770069904 = 57096^2 + 88148^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×11030023120² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11030023120.

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, 68937565 + ... + 68937724.

It is an arithmetic number, because the mean of its divisors is an integer number (1282240197).

Almost surely, 2^11030023120 is an apocalyptic number.

11030023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11030023120 is an abundant number, since it is smaller than the sum of its proper divisors (14614780820).

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

11030023120 is a wasteful number, since it uses less digits than its factorization.

11030023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137875302 (or 137875296 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11030023120 its reverse (2132003011), we get a palindrome (13162026131).

The spelling of 11030023120 in words is "eleven billion, thirty million, twenty-three thousand, one hundred twenty".