11120113530 has 24 divisors (see below), whose sum is σ = 28912295412. Its totient is φ = 2965363584.

The previous prime is 11120113519. The next prime is 11120113541. The reversal of 11120113530 is 3531102111.

11120113530 is a `hidden beast` number, since 1 + 1 + 1 + 20 + 113 + 530 = 666.

It is an interprime number because it is at equal distance from previous prime (11120113519) and next prime (11120113541).

It can be written as a sum of positive squares in 2 ways, for example, as 10711629009 + 408484521 = 103497^2 + 20211^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61778319 + ... + 61778498.

Almost surely, 2^11120113530 is an apocalyptic number.

11120113530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11120113530 is an abundant number, since it is smaller than the sum of its proper divisors (17792181882).

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

11120113530 is a wasteful number, since it uses less digits than its factorization.

11120113530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123556830 (or 123556827 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 11120113530 its reverse (3531102111), we get a palindrome (14651215641).

The spelling of 11120113530 in words is "eleven billion, one hundred twenty million, one hundred thirteen thousand, five hundred thirty".